You will have to wait for one more week, when the manager _____ back from his trip.

A．will be

B．comes

C．is going to be

D．is

关于老年人药物体内分布的叙述正确的是（）

A.老年人体内水分减少、脂肪组织减少

B.水溶性药物血药浓度增高

C.脂溶性药物血药浓度增高

D.血浆蛋白结合高的药物游离浓度降低

E.华法林在老年人体内表观分布容积增加