题目

He finished writing his first novel last year, and we all think that is ______ his career really took off.A. where B. whenC. how D. why 答案：【答案】B【解析】考查连词副词。句意：他去年完成了他的第一部小说，我们都认为那是他事业真正起飞的时候。分析句子可知，and后的句子为表语从句，空处缺少连接副词，根据“He finished writing his first novel last year,”可知，空处应该选择连接副词when。故B选项正确。

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