mcexam 中答案选项之间的空格

Question

有没有办法可以全局增加 mcexam 的 /mcanswerslist 中答案选项之间的间隔？我可以通过在每个选项后手动输入换行符来实现。如果我能够全局控制它，或者至少控制每个问题，那将非常方便。

%%% Copyright (c) 2017 Jorre Vannieuwenhuyze.
%%%
%%% Permission is granted to copy, distribute and/or modify this
%%% software under the terms of the LaTeX Project Public License
%%% (LPPL), version 1.3c or any later version.
%%%
%%% This software is provided 'as is', without warranty of any kind,
%%% either expressed or implied, including, but not limited to, the
%%% implied warranties of merchantability and fitness for a
%%% particular purpose.

\documentclass[a4paper]{article}
\usepackage[output=exam
       ,numberofversions=2
       ,version=2
       ,seed=1
       ,randomizequestions=false
       ,randomizeanswers=false
       ,writeRfile=true
       ]{mcexam}
\usepackage{array}
\usepackage{graphicx}
\begin{document}
\begin{mcquestions}
\question Question
    \begin{mcanswerslist}
    \answer Answer1 no extra space
    \answer [correct] Answer2
\end{mcanswerslist}
\question Question
    \begin{mcanswerslist}
    \answer Answer1 extra space between answer choices \\
    \answer [correct] Answer2\\
    \end{mcanswerslist}
\end{mcquestions}
\end{document}