请帮忙看一下这道题

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

讨论版给出答案是B,不很明白， bird怎么和  like 后面的grassy fields and old pastures 对称

是的，bird和grassy fields and old pastures 都是消失的物，可以对称。

都是物体，概念对等

都是名词，形式对等

看明白逻辑意思就明白它们的对称是正常的了

thanks