Some researchers believe that there is no doubta cure for AIDS will be found.A. whetherB.

发布时间：2020-08-17 06:13:51

Some researchers believe that there is no doubt    a cure for AIDS will be found.
A. whether
B. that
C. what
D. which

网友回答

A. whether
(答案→)B. that
C. what
D. which
解析：考查名词性从句。there is no doubt that...“......是毫无疑问的”；that引导同位语从句，解释说明doubt所指的内容。故选B。
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