has already been pointed out is that grammar is not a set of dead rules.A. AsB. ItC. What

发布时间：2020-08-17 06:10:30

     has already been pointed out is that grammar is not a set of dead rules.
A. As
B. It
C. What
D. Which

网友回答

A. As
B. It
(答案→)C. What
D. Which
解析：句意：我们需要指出的是语法不是一系列的死的条文。此处what在主语从句中作主语，意为：……的。故选C。
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