更改考试类别中的多项选择编号

Question

我想将多项选择题的编号从大写字母改为小写字母。这是我的代码

\documentclass[11pt,a4paper,answers,addpoints]{exam}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{fp}
\usepackage{multicol}


\correctchoiceemphasis{}

\begin{document}

\begin{questions}
    \question
     The valence electrons are: 
     \begin{multicols}{2}
        \begin{choices}
            \choice 
            Electrons in the first orbit.
            \correctchoice 
            Electrons in the outer orbit.
            \choice 
            Core electrons.
            \choice 
            Core electrons.         
        \end{choices}
    \end{multicols}
    %
    \question
     The band gap is: 
     \begin{multicols}{2}
        \begin{choices}
            \choice 
            Energy difference between 1st and 2nd electron energy bands.
            \choice 
            Energy difference between the core and valence bands.
            \choice 
            Energy difference between the valence and the conduction bands.
            \choice 
            Energy difference between the core and the conduction bands.        
        \end{choices}
    \end{multicols}
    %       
\end{questions}

\end{document}

我找到了类似的帖子，但要将其更改为带圈的数字，有没有办法做类似的事情

\renewcommand\choicelabel{\thechoice}
\renewcommand\choiceshook{
  \addtocounter{choice}{191} 
}
\renewcommand\thechoice{\ding{\arabic{choice}}}

谢谢！

Answer 1

您应该使用 \renewcommand\choicelabel{\alph{choice}}。

\documentclass[11pt,a4paper,answers,addpoints]{exam}
\usepackage[utf8]{inputenc}
\usepackage{multicol}


\correctchoiceemphasis{}

\renewcommand\choicelabel{\alph{choice}}

\begin{document}

    \begin{questions}
        \question
        The valence electrons are: 
        \begin{multicols}{2}
            \begin{choices}
                \choice 
                Electrons in the first orbit.
                \correctchoice 
                Electrons in the outer orbit.
                \choice 
                Core electrons.
                \choice 
                Core electrons.         
            \end{choices}
        \end{multicols}
        %
        \question
        The band gap is: 
        \begin{multicols}{2}
            \begin{choices}
                \choice 
                Energy difference between 1st and 2nd electron energy bands.
                \choice 
                Energy difference between the core and valence bands.
                \choice 
                Energy difference between the valence and the conduction bands.
                \choice 
                Energy difference between the core and the conduction bands.        
            \end{choices}
        \end{multicols}
        %       
    \end{questions}

\end{document}

该代码将显示为：