% test for tikz 
\element{tikz}{
  \begin{question}{tikz:Q1}
    Among the following shape, where is the circle

    \begin{choices}
      \correctchoice{\begin{tikzpicture}
          \draw (2,2) circle (1cm);
        \end{tikzpicture}}
      \wrongchoice{\begin{tikzpicture}
          \filldraw[fill=blue!40!white, draw=black] (0,0) rectangle (2,2);
          \draw (0,0) parabola (2,2);
        \end{tikzpicture}}
      \wrongchoice{$\triangle$}
    \end{choices}
  \end{question}
}