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单选题
Determine which door has failed to close.
A
A.Find out which door has a fault and is closed.
B
B.Make sure that which door has a failure.
C
C.Find out which door has not closed.
答案解析
正确答案：C
解析：
这道题考察的是理解句子中的语义和逻辑关系。句子中提到了一个门没有关闭，所以正确的答案是C。让我们通过联想和生动有趣的例子来帮助你更好地理解：假设你家有三扇门，你出门前告诉家人要确保所有的门都关闭好。当你回家后发现有一扇门没有关闭，这时你需要找出哪一扇门没有关闭，而不是找出有故障并关闭的门，也不是确认哪一扇门出现了故障。因此，正确答案是C，找出哪扇门没有关闭。
相关知识点：
确定哪扇门未关闭
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