单项选择题
A.0.961 B.0.903 C.0.827 D.0.761
A.0.843 B.0.961 C.0.903 D.0.827
A.0.985 B.0.884 C.0.763 D.0.658
A.0.498 B.0.562 C.0.79 D.0.657
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