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题目材料：
For 1995, which of the following ratios is closest to the ratio of the average cost of tuition and fees for students in private colleges in the United States to the corresponding average cost for students in public colleges?
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A.$$6$$ to $$1$$
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B.$$4$$ to $$1$$
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C.$$3$$ to $$1$$
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D.$$7$$ to $$2$$
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E.$$5$$ to $$2$$
B显示答案
