题目内容
A nest is to a bird a house is to a man.A. where B. how C. what D. when
答案：C
解析：
提示：
解析：
| A is to B what C is to D是固定句式。
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提示：
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相关题目
A nest is to a bird ______ a house is to a man.
| A．as | B．that | C．which | D．what |