单项选择题

A.80~120mg/kg2d疗法,2次/d
B.60~80mg/kg2d疗法,2次/d
C.40~60mg/kg2d疗法,2次/d
D.20~30mg/kg2d疗法,2次/d
E.10~20mg/kg2d疗法,2次/d