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
答案是B。这个木有问题。我的问题是B选项中的黑体字部分,第二个and前后要平行对吧,展开是as a result of...and (as a result) of...对吧,那为什么不把第二个and后面的of也省了呢 加个of不是很wordy嘛?求教~~·