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题目材料：
In Christchurch, the ratio of the number of inches of rainfall during May to the number of inches of rainfall during February was closest to which of the following?
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A.2.3 to 1
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B.1.8 to 1
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C.1.5 to 1
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D.1.3 to 1
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E.0.7 to 1
C显示答案
