GWD28-41 没有讨论过。。。。

fsl619831

During theeighteenth century, widespread changes in agriculture, known as the agrarian revolution,involving the large-scale introduction of enclosed fields, of new farmingtechniques and crops, and the substitution of commercial for subsistencefarming.

A.   revolution, involving the large-scaleintroduction of enclosed fields, of new farming techniques and crops, and

B.   revolution, involved the large-scaleintroduction of enclosed fields and of new farming techniques and crops, and

C.   revolution, which involved the large-scaleintroduction of enclosed fields and of new farming techniques and crops, and

D.   revolution involved the large-scaleintroduction of enclosed fields, new farming techniques and crops, and of

E.    revolution that involved the large-scaleintroduction of enclosed fields and new farming techniques and crops, and of

答案B

fsl619831

vertex顶点 发表于 2013-9-22 21:36
主句需要有谓语动词，但是known是分词修饰changes，排除主句没有谓语动词的选项ACE；剩下BD，这里是大平行 ...

谢谢~~~~~~~~

vertex顶点

主句需要有谓语动词，但是known是分词修饰changes，排除主句没有谓语动词的选项ACE；剩下BD，这里是大平行小平行，小平行是of enclosed field and of new farming techniques的介词结构平行，大平行是involved the large-scaleintroduction and the substitution 这个结构是从原句A选项看出来的，而D改变了原句结构，并列平行错误，排除D