答案1
您必须重新定义问题标签和点单位。
\documentclass[a4paper]{exam}
\renewcommand{\questionlabel}{\textbf{Question \thequestion.}} % added <<<<<<<<<<
\renewcommand{\points}{p} % added <<<<<<<<<<
\begin{document}
\begin{questions}
\question[3]What did Billy Joe MacAllister throw off the Tallahatchie Bridge?
\end{questions}
\end{document}