问题
选择题
__________ parents say and do has a life-long effect on their children.
A．That
B．Which
C．What
D．As
答案
C
what在此引导主语从句，相当于the thing that。
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__________ parents say and do has a life-long effect on their children.
A．That
B．Which
C．What
D．As
C
what在此引导主语从句，相当于the thing that。