问题描述：
The twin looks _____ each other.It’s difficult to tell ____.
A.similar to,which is which B.same as,who is who
C.similar to,who is who D.the same to,which is which
答案是A为什么啊
A.similar to,which is which B.same as,who is who
C.similar to,who is who D.the same to,which is which
答案是A为什么啊
问题解答：
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