问题描述：
In the piano contest ,my brother did′t piay well and I did { }
In the piano contest ,my brother did′t piay well and I did { },A;very well ,B ;much better C;even worse详解谢谢
In the piano contest ,my brother did′t piay well and I did { },A;very well ,B ;much better C;even worse详解谢谢
问题解答：
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