Question

The picture __________ on the wall is painted by my nephew.

A. having hung B.hanging
C.hangs D.being hung

Answer 1

B.
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怎么解释

追答

省略了成分的， 完整的应该是 The picture which is hanging on the wall is painted by my nephew.
定语从句中常常可以省略。

容易选成D， 因为是被动语态，同样如果写全就是The picture which is being hung.....。 但是be being done是被动语态的进行时态， 这里很显然不是指的正在挂这幅画， 而是画已经挂在墙上了。
另外两个偏得太厉害了， 不容易选到

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the picture 和hang为主谓关系？

Answer 2

B 描绘事物的特性，这里是特指,可以主动表被动