\documentclass[a4paper]{article}
\usepackage[utf8]{inputenc}    
\usepackage[francais,bloc,]{automultiplechoice}    
\begin{document}

\AMCrandomseed{1237893}


%16 mauvaises réponses
\element{reponses}{\wrongchoice{Ne pas cocher 1}}
\element{reponses}{\wrongchoice{Ne pas cocher 2}}
\element{reponses}{\wrongchoice{Ne pas cocher 3}}
\element{reponses}{\wrongchoice{Ne pas cocher 4}}
\element{reponses}{\wrongchoice{Ne pas cocher 5}}
\element{reponses}{\wrongchoice{Ne pas cocher 6}}
\element{reponses}{\wrongchoice{Ne pas cocher 7}}
\element{reponses}{\wrongchoice{Ne pas cocher 8}}
\element{reponses}{\wrongchoice{Ne pas cocher 9}}
\element{reponses}{\wrongchoice{Ne pas cocher 10}}
\element{reponses}{\wrongchoice{Ne pas cocher 11}}
\element{reponses}{\wrongchoice{Ne pas cocher 12}}
\element{reponses}{\wrongchoice{Ne pas cocher 13}}
\element{reponses}{\wrongchoice{Ne pas cocher 14}}
\element{reponses}{\wrongchoice{Ne pas cocher 15}}
\element{reponses}{\wrongchoice{Ne pas cocher 16}}
%%4 bonnes réponses
\element{reponses}{\correctchoice{cocher A}}
\element{reponses}{\correctchoice{cocher B}}
\element{reponses}{\correctchoice{cocher C}}
\element{reponses}{\correctchoice{cocher D}}


\setdefaultgroupmode{cyclic}

\exemplaire{5}{    

%%% debut de l'en-tête des copies :    

\noindent{\bf QCM  \hfill TEST}

\begin{center}
  \large\bf QUESTIONS
\end{center}
\vspace{1ex}

%%% fin de l'en-tête


\noindent
  \begin{questionmult}{id-quest}
  	
  	
\parbox[t]{0.24\textwidth}{\begin{reponses}\restituegroupe[5]{reponses}\end{reponses}}
\parbox[t]{0.24\textwidth}{\begin{reponses}\restituegroupe[5]{reponses}\end{reponses}}
\parbox[t]{0.24\textwidth}{\begin{reponses}\restituegroupe[5]{reponses}\end{reponses}}
\parbox[t]{0.24\textwidth}{\begin{reponses}\restituegroupe[5]{reponses}\end{reponses}}
  \end{questionmult}
}  

\end{document}
