单项选择题
A.500~1500ml B.1000~2000ml C.1500~2500ml D.2000~3000ml E.>3000ml
A.>200ml B.>250ml C.>300ml D.>350ml E.>400ml
A.50~70ml B.60~80ml C.70~90ml D.80~100ml E.90~110ml