The portion of the iceberg that is out of the water accounts for 1/8~1/7 of the total volume of the iceberg. What is the ratio of the part of the iceberg above the water to the part below the water?
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A1/5~1/4
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B1/6~1/5
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C1/7~1/6
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D1/8~1/7
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E1/9~1/8
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正确答案: C