is well-known to all, the great changes have taken place in China.A. ItB. thatC. AsD. Whic

发布时间：2020-08-17 12:35:05

    is well-known to all, the great changes have taken place in China.
A. It
B. that
C. As
D. Which

网友回答

A. It
B. that
(答案→)C. As
D. Which
解析：考查定语从句。此处有逗号隔开，此句子不是形式主语的句式，前面的句子修饰后面的句子构成一个非限制性定语从句，as可以放于句首，意思“这一点”来指代后句。
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