题目内容
_______the doctors really doubt is _______ my mother will recover from the serious disease soon.
A. What; when B. That; how C. What; whether D. What; what?
C
解析:
此句中含有两个从句,一个是主语从句,一个是表语从句。在第一个主语从句中doubt缺少宾语,所以要选what,根据doubt可知在后面的表语从句中只需要用连接词whether,故应选C项。
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