单项选择题
A.服药后立即 B.服药后1天 C.服药后2天 D.服药后3天 E.服药后10天
A.1~2mg/(kg·D. B.3~5mg/(kg·D. C.6~8mg/(kg·D. D.9~11mg/(kg·D. E.12mg/(kg·D.
A.350~450ng/ml B.300~350ng/ml C.250~300ng/ml D.200~250ng/ml E.100~200ng/ml