\documentclass[a4paper]{article}

\usepackage[utf8x]{inputenc}    
\usepackage[T1]{fontenc}
\usepackage[box,completemulti]{automultiplechoice}    

\usepackage{graphicx}

\usepackage{tikz}
\usetikzlibrary{calc,intersections,through,backgrounds,shapes,positioning}
%\usetikzlibrary{external}
\usepackage{tkz-euclide}
\usetkzobj{all}
\usepackage{tikz-3dplot}
\tdplotsetmaincoords{75}{135}
\usetikzlibrary{external}
\tikzexternalize

\begin{document}
\onecopy{1}{    

%%% beginning of the test sheet header:    


%%% end of the header

\begin{question}{prez}    
  Among the following persons, which one has ever been a President of the French Republic?
\begin{tikzpicture}
\draw (0,0)--(0,1);
\end{tikzpicture}

 \begin{choices}
    \correctchoice{René Coty}
    \wrongchoice{Alain Prost}
    \wrongchoice{Marcel Proust}
    \wrongchoice{Claude Monet}
  \end{choices}
\end{question}


% \AMCaddpagesto{3} 

}   

\end{document}
