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Based on the information given, which of the following statements about the sum of the prices of all the homes sold in a given year must be true?
Indicate all such statements
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A.The sum of the prices for 2010 was greater than the sum for 2009.
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B.The sum of the prices for 2010 was greater than the sum for 2011.
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C.The sum of the prices for 2009 was greater than the sum for 2011.
B,C显示答案
