It is true he said surprised us all.A. whatB. thatC. what thatD. that what

网友回答

A. what
B. that
C. what that
(答案→)D. that what
解析：考查形式主语句。It是形式主语句，that引导起真正的主语从句，在句中不充当任何成分。What he said是主语从句中的主语，what在主语从句里做主语。