菜鸟求救大全43

typhoon_wang

43.According to Booker T. Whatley’s recent analysis, planting the same crops as are planted on large farms will lead to economic disaster for the small farmer, who should plan a succession of high-value crops that will provide a year-round cash flow.
(A) planting the same crops as are planted on large farms will lead to economic disaster for the small farmer, who
(B) it will lead to economic disaster for the small farmer to plant the same crops as on the large farms; they杀 it? they?
(C) economic disaster will result from planting the same crops as large farms to the small farmer, who 错杀as…+as…
(D) economic disaster for the small farmer will result from planting the same crops as on the large farms; they 杀（A）

(E) the small farmer planting the same crops as are planted on large farms will lead to economic disaster; they   杀

知道了怎么排除,但是为什么A就对呢?  are用在那里是什么意思呀?
高手帮忙解释一下,谢谢

DeliciaAn

很棒啊，我也有同样的困惑，看了你自己的解答，很赞！

typhoon_wang

我好象懂了 省略了crops