is well known is that Africa had contacts with India and the Red Sea civilizations from th

发布时间：2020-08-16 14:26:32

         is well known is that Africa had contacts with India and the Red Sea civilizations from the earliest times．
A. As
B. It
C. What
D. That

网友回答

A. As
B. It
(答案→)C. What
D. That
解析：考查名词性从句。此题考查的是主语从句，主语从句中缺少主语，所以用what，选C。
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