答案1
似乎是一项任务tasks
。(正如 Zarko 所说,没有多少人愿意从屏幕截图中输入文本。)
\documentclass{article}
\usepackage{tasks}
\begin{document}
\settasks{counter-format=(tsk[a]),label-width=1.5em}
\begin{enumerate}
\item Which one of the following statements are true?
\begin{tasks}(3)
\task \dots
\task \dots
\task \dots
\task \dots
\task \dots
\task \dots
\end{tasks}
\end{enumerate}
\end{document}