单项选择题
A.5% B.5%~10% C.10%~15% D.>15% E.以上都不是
A.50~100ml B.80~120ml C.90~150ml D.120~150ml E.150~200ml
A.发热 B.大便蛋花汤样 C.鼻塞和流涕 D.大便脓血样 E.脱水和酸中毒