白勇1-7 （已搜索过哦~）

cartier921

7．If a single strain of plant is used for a given crop over a wide area, a practice fostered by modern seed-marketing methods, it increases the likelihood that the impact of a single crop disease or pest will be disastrous.（A）If a single strain of plant is used for a given crop over a wide area，a practice fostered by modern seed-marketing methods，it（B）If a single strain of plant is used for a given crop over a wide area, as is fostered by modern seed-marketing methods, it（C）A practice fostered by modern seed-marketing methods, a single strain of plant used for a given crop over a wide area（D）A single strain of plant used for a given crop over a wide area, a practice fostered by modern seed-marketing methods，（E）The use of a single strain of plant for a given crop over a wide area, a practice fostered by modern seed-marketing methods,
正确答案是E
我选的是D，D哪里错了哩》？求NN们帮忙解答。。

0o小猪o0

E的话 首先主语变成了the use不对 其次E里好像没有宾语动词了吧。。。