As is known to all, Yang Liwei has bee a space hero is we have expected．
A. that; which
B. what; that
C. what; which
D. that; what
网友回答
A. that; which
B. what; that
C. what; which
(答案→)D. that; what
解析：句意：众所周知，杨利伟成为太空英雄是我们已经预料到的。that Yang Liwei has bee a space hero 是主语从句，that在从句中不做成分，也不可省；what we have expected是表语从句，what在从句中做宾语。故选D。
考点: 考查主语从句和表语从句的用法。