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Is this the reason ______ at the meeting for his carelessness in his work?

  A. he came up with                   B. what he came up with  

C. how he came up with               D. why he came up with  

A


解析:

盡管表原因的the reason為先行詞,但它在從句中作came up with的賓語, 用that/which引導定語從句,that/which也可以省略。

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