帮我解决一道题，谢谢兄弟姐妹们

superguozhigan

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

jsu2008

B，比较对象要一致。

superguozhigan

可是鸟和草地怎么能并列起来呢。。。？请教

jsu2008

2个都是东西，你不能拿东西跟消失作比较吧？