题目内容
The question is ______ is responsible for what has happened.
A what B where C who D whose
【答案】
C
【解析】考察表语从句。Who指人引导表语从句who is responsible for what has happened并在句中作主语。结合句意可知C正确。句意:问题是谁为已经发生的事情负责。
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