单项选择题
A.287.9;40 B.287.9;65 C.555.85;40 D.555.85;65
A.267.13 B.319.23 C.287.9 D.1095.6
A.9307 B.8248 C.843.74 D.287.9
A.267.13 B.319.23 C.7.91 D.21.4
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