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\usepackage{fontspec}
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\usepackage{csvsimple}
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\begin{document}
\AMCformHSpace=3em
\AMCboxDimensions{shape=oval}


\def\AMCbeginQuestion#1#2{\vspace{2ex}\par\noindent\hbox to 3em{\hspace*{\fill}\bf #1 \hspace*{1em}}}
\def\AMCanswer#1#2{#1\hspace{.5em}}
\AMCboxColor{gray}

\newcommand{\subject}{
  \onecopy{1}{    

    \noindent{\bf Liceo Bicentenario Italia  \hfill Proceso de Admisión 2014}

    \vspace*{.5cm}

    \begin{center}
      Hoja de Respuestas - Lenguaje - Primero Medio
    \end{center}

    \hfill \namefield{\fbox{    
        \begin{minipage}{.5\linewidth}
          Nombre:
      
          \bf \nombres{} \apellidop{} \apellidom{} \normalfont\normalsize\\\ ID: \id{}

          \vspace*{1mm}
        \end{minipage}
      }}

    \noindent\hrulefill

\begin{multicols}{3}\columnseprule=.4pt

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% continue here to get as many questions as needed...

\end{multicols}

    \AMCassociation{\id}
  }
}

\csvreader[head to column names]{I45oct.csv}{}{\subject}


\end{document}