He has two children ______have become world-famous scientists.A.none of whoB.all of whomC.

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He has two children,______have become world-famous scientists.

A.none of who

B.all of whom

C.both of whom

D.one of which

请帮忙给出正确答案和分析,谢谢!

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答案解析

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  • 正确答案:C
    句意:他有两个孩子,这两个孩子都成了世界闻名的科学家。本句考查的是定语从句的用法。定语从句可由“代词(名词、数词)+介词+关系代词”结构引导。先行词是twochildren,故关系代词用whom不用which。又none与all代指三人或三人以上,both代指两人,所以选C。