we know now, oceans cover more than 70 percent of the earth.A. ThatB. WhichC. AsD. What

发布时间：2020-08-17 12:38:38

     we know now, oceans cover more than 70 percent of the earth.
A. That
B. Which
C. As
D. What

网友回答

A. That
B. Which
(答案→)C. As
D. What
解析：as引导非限制性定语从句。as从句中的谓语常常是: be said, be known, be reported等。
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