is known to us all is that China has launched Shenzhou V spaceship successfully.A. ThatB

发布时间：2020-08-17 14:43:28

     is known to us all is that China has launched Shenzhou V spaceship successfully.
A. That
B. What
C. It
D. As

网友回答

A. That
(答案→)B. What
C. It
D. As
解析： 此题考查主语从句，其主语从句缺少主语，What在此等于the thing which，故选B项。
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