[求助]GWD7-Q13

Like the grassy fields and old pastures that the upland sandpiper needs for feeding and nesting when it returns in May after wintering in the Argentine Pampas, the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in farming practices.

A.      the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in

B.       the bird itself is vanishing in the northeastern United States as a result of residential and industrial development and of changes in

C.      that the birds themselves are vanishing in the northeastern United States is due to residential and industrial development and changes to

D.      in the northeastern United States, sandpipers’ vanishing is due to residential and industrial development and to changes in

E.       in the northeastern United States, the sandpipers’ vanishing, a result of residential and industrial development and changing

正确选项好像是B

但是我觉得没有一个选项做到了与LIKE的平行的要求......

when it returns,由it可以判断划线部分的主语为单数。。就可以直接找到正确答案啦。。

我也不明白...

dirrrk解释的对，，除了B，其他选项的比较对象都是，草地（物） vs Vanishing(动作)，完全不可比，只有B，稍好一点，草地 vs 鸟，算是物对物。哎，烂选项中，找个最不烂的……