2道GWD 5里面的语法题

renaultboy

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
答案为什么是B呢？

Unlike the original National Museum of Science and Technology in Italy
, where the models are encased in glass or operated only by staff members, the Virtual Leonardo Project, an online version of the museum, encourages visitors to “touch” each exhibit, which thereby activates the animated functions of the piece.
A.exhibit, which thereby activates

B.exhibit, in turn an activation of

C.exhibit, and it will activate

D.exhibit and thereby activate

E.exhibit which, as a result, activates

答案是D  比较晕
谢谢大家指导

renaultboy

谢谢 看来我还要再下一番功夫

zowenny

第一题的a数量不一致 未划线部分是it，sandpiper是单数没有加s。 比较不可以单数和复数比
第二题AEwhich无指代不可以指一个过程，Cit无指代也不可以指代一个过程，B用名词形式不好因为别的选项有用动词的
D是to exhibit和to activate的省略