No one knows exactly when our ancestors started talking，but new evidence suggests might h

发布时间：2020-08-17 12:03:41

No one knows exactly when our ancestors started talking，but new evidence suggests      might have happened a long time ago．
A. which
B. what
C. it
D. they

网友回答

A. which
B. what
(答案→)C. it
D. they
解析：C it在句中指时间，属于实指。
以上问题属网友观点，不代表本站立场，仅供参考！