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

答案选B，但是grassy fields and old pastures与bird不是同类比较吧？哪位帮忙解释下，谢谢

Since February, the Federal Reserve has raised its short-term interest rate target five times, and because of the economy’s continued strength, analysts have been predicting for weeks that the target will be raised again in November.

A.      because of the economy’s continued strength, analysts have been predicting for weeks that the target will

B.       with the economy’s strength continuing, analysts predicted for weeks that the target

C.      because the economy continues strong, analysts predicted for weeks that the target would

D.      due to the economy’s continued strength, analysts have been predicting for weeks that the target

E        due to the fact of the economy’s continued strength, analysts predicted for weeks that the target will

答案选C, 但从原题的题意看，predicted与has raised 时态差别很大啊，另外predict 引导的宾语从句用虚拟中的do/be不？

第二题时我现在的理解，是不是说experts已经完成预测了，而不是像A/D说的那样还在预测中？

第一题还是没有想出为什么选B ?