. What the doctors really doubt is my mother will recover from the serious disease soon.A

发布时间：2020-08-16 12:51:53


. What the doctors really doubt is      my mother will recover from the serious disease soon.
A. when
B. how
C. whether
D. why

网友回答

A. when
B. how
(答案→)C. whether
D. why
解析：考查用法。doubt用于肯定句时用whether引导同位语从句；用于否定句时，用that引导。根据可知本句为肯定句，故选C。
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