将两个全等的直角三角形纸片构成如图的四个图形,其中属于中心对

将两个全等的直角三角形纸片构成如图的四个图形,其中属于中心对称图形的是(  )

A.            B.         C.     D.

答案

 C            解:A、不是中心对称图形,故A选项错误;

B、不是中心对称图形,故B选项错误;

C、是中心对称图形,故C选项正确;

D、不是中心对称图形,故D选项错误;

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