药物吸收后达到稳态血药浓度，意味着()

A．药物作用最强

B．药物已全部吸收

C．血药浓度已达最高

D．药物吸收与消除达到平衡

E．药物在体内的分布已达平衡

— Is this David's bicycle?    

— No, it's not ______. It's Helen's. [ ]

A. his

B. yours

C. mine

D. hers