各位 请教几道语法题！！求助！

sunny700

182.    (32026-!-item-!-188;#058&006326)

The organic food industry has organized a successful grassroots campaign—using Web sites, public meetings, and also mass mailings—that have convinced the Department of Agriculture to change the proposed federal regulations for organically grown food.
A. using Web sites, public meetings, and also mass mailings—that have convinced
B. using Web sites, public meetings, and mass mailings—that has convinced
C. by using Web sites, public meetings, and mass mailings—in convincing
D. by the use of Web sites, public meetings, as well as mass mailings—that convinced
E. which used Web sites, public meetings, and mass mailings—in convincing

183.    (27576-!-item-!-188;#058&002504)

Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were
A. to set dividends more conservatively than they were
B. to set dividends more conservatively than they have been
C. to be more conservative than they have been in setting dividends
D. that they will be more conservative than they were in setting dividends
E. that they will be more conservative than they have been to set dividends

答案第一道是b 第二道是C 就是简单讲讲每个选项是怎么错的 谢谢啦！

sunny700

快来人。。

sunny700

第一道题我想选d 第二道我想选b

chasedream321

第一个
A  that后面修饰 a campaign  所以have错
C  by 和 using 重复
D 同C
E 修饰错误 Campaign不能 use 只有industry可以

第二个
A B    than前后不对称   to do   和 were&have been
D E    expecte sb. that 搭配错   应该expecte sb. to do

个人观点

sunny700

那第二道的C than前后也不平行啊。。