What the doctor really doubts is my mother will recover from the serious disease soon.A.

发布时间：2020-08-17 02:54:10

What the doctor really doubts is      my mother will recover from the serious disease soon.
A. when
B. how
C. whether
D. if

网友回答

A. when
B. how
(答案→)C. whether
D. if
解析：考查表语从句：句意：医生真正怀疑的是是否我妈妈会从重病中迅速恢复。Is后面是表语从句根据句意是“是否“，但if不能连接表语从句，用whether。选C。
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