单项选择题
A.0.8-1.3 B.8-10 C.0.2-0.3 D.2-3
A.1.4-1.5 B.8-10 C.0.8-1.3 D.25-26
A.1-1.5 B.1-9 C.10-22 D.25-32
A.0-5 B.0-20 C.30-50 D.5-35
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