He thought I was talking about his son, in fact I was talking about mine.A. whenB. whileC.

发布时间：2020-08-17 11:31:24


He thought I was talking about his son,     in fact I was talking about mine.
A. when
B. while
C. however
D. which

网友回答

A. when
(答案→)B. while
C. however
D. which
解析：while表示转折“然而”是连词，however 表达该意时，其后常用逗号与句子隔开。
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