标题: 关于破折号自己的一想法，求鉴定 [打印本页] 作者: usxiao 时间: 2010-12-23 11:54 标题: 关于破折号自己的一想法，求鉴定 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 OA is (B)
E.which used Web sites, public meetings, and mass mailings—in convincing