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【单选题】
某建设项目，经投资估算确定的工程费用与工程建设其他费用合计为，2000万元，项目建设期为2年，每年各完成投资计划50％。在基本预备费为5％，年均投资价格上涨率为10％的情况下，该项目建设期的涨价预备费为（ ）万元。A.
300.0
B.
310.0
C.
315.0
D.
325.5
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