我想按照上图所示进行排序。但结果如下。注意红框。
我尝试了很多方法，但还是不行。等待您的帮助，谢谢。
\documentclass[9pt,a4paper,twocolumn]{extarticle} % 10pt font size, A4 paper and two-sided margins
\usepackage[top=3.4cm,bottom=3.6cm,left=2.2cm,right=2.85cm,columnsep=0.75cm]{geometry} % Document margins and spacings
\usepackage{amsmath,amsthm,amsfonts,amssymb}
\usepackage{ifthen}
\usepackage{framed,color}
\definecolor{shadecolor}{RGB}{217,238,244}
\usepackage[utf8]{inputenc} % Required for inputting international characters
\usepackage[T1]{fontenc} % Output font encoding for international characters
\usepackage[turkish]{babel}
\RequirePackage{amssymb, amsfonts, amsmath, latexsym, verbatim, xspace, setspace}
\newcounter{choice}
\renewcommand\thechoice{\Alph{choice}}
%\renewcommand\thechoice{\alph{choice}}
\newcommand\choicelabel{\thechoice.}
\newenvironment{choices}%
{\list{\choicelabel}%
{\usecounter{choice}\def\makelabel##1{\hss\llap{##1}}%
\settowidth{\leftmargin}{W.\hskip\labelsep\hskip 2.5em}%
\def\choice{%
\item} % choice
\labelwidth\leftmargin\advance\labelwidth -\labelsep
\topsep=0pt
\partopsep=0pt}%
}%
{\endlist}
\newenvironment{oneparchoices}%
{%
\setcounter{choice}{0}%
\def\choice{%
\refstepcounter{choice}%
\ifnum\value{choice}>1\relax
\penalty -50\hskip 4em plus 4em\relax
\fi
\choicelabel
\nobreak\enskip
}% choice
% If we're continuing the paragraph containing the question,
% then leave a bit of space before the first choice:
\ifvmode\else\enskip\fi
\ignorespaces
}%
{}
\usepackage{palatino} % Use the Palatino font
\usepackage{amsfonts}
\usepackage{microtype} % Improves spacing
\usepackage[bf,sf,center]{titlesec} % Required for modifying section titles - bold, sans-serif, centered
\usepackage{fancyhdr} % Required for modifying headers and footers
\fancyhead[L]{\textsf{\rightmark}} % Top left header
\fancyhead[R]{\textsf{\leftmark}} % Top right header
\renewcommand{\headrulewidth}{1.4pt} % Rule under the header
\fancyfoot[C]{\textbf{\textsf{\thepage}}} % Bottom center footer
\renewcommand{\footrulewidth}{1.4pt} % Rule under the footer
\pagestyle{fancy} % Use the custom headers and footers throughout the document
\newcommand{\entry}[4]{\markboth{#1}{#1}\textbf{#1}\ {(#2)}\ \textit{#3}\ $\bullet$\ {#4}} % Defines the command to print each word on the page, \markboth{}{} prints the first word on the page in the top left header and the last word in the top right
\setlength{\columnseprule}{0,5pt}
%----------------------------------------------------------------------------------------
\begin{document}
{\centering $2^a=19$
$3^b=11$
$5^c=9$ \\}
\noindent \textbf{olduğuna göre aşağıdaki sıralamalardan hangisi doğrudur?}
\medskip
\begin{oneparchoices}
\choice $b<a<c$
\choice $b<c<a$
\choice $c<b<a$
\choice $c<a<b$
\choice $a<b<c$
\end{oneparchoices}
\end{document}
答案1
这是有可能的：我只保留了 的定义oneparchoices，其余部分无关紧要。请注意，environ包是必需的。
我使用技巧https://tex.stackexchange.com/a/99365/4427将最后一行居中。
\documentclass[twocolumn]{article}
\usepackage[top=3.4cm,bottom=3.6cm,left=2.2cm,right=2.85cm,columnsep=0.75cm]{geometry}
\usepackage{environ}
\newcounter{choice}
\renewcommand\thechoice{\Alph{choice}}
\makeatletter
\def\choice#1\choice{%
\do@choice{#1}%
\@ifnextchar\relax{}{\choice}%
}
\newcommand{\do@choice}[1]{%
\stepcounter{choice}%
\makebox{\thechoice. #1\unskip}\hspace{1cm plus 2cm minus .5cm}%
}
\makeatother
\NewEnviron{oneparchoices}{%
\setcounter{choice}{0}%
\par\vspace{\topsep}
\leftskip=0pt plus 0.5fil
\rightskip=0pt plus -0.5fil
\parfillskip=0pt plus 1fil
\noindent\BODY\choice\relax
\par\vspace{\topsep}
}
\begin{document}
Some text before the choices just to see how they are
aligned with respect to the margins.
\begin{oneparchoices}
\choice $b<a<c$
\choice $b<c<a$
\choice $c<b<a$
\choice $c<a<b$
\choice $a<b<c$
\end{oneparchoices}
Some text after the choices just to see how they are
aligned with respect to the margins.
\end{document}
