The poet and_________pianist is going to give us a talk this afternoon.

A．a

B．the

C．不填

D．an

患者，女，24岁，已婚。产后4周恶露过期不止，量多、色淡红、质稀，小腹空坠，面色白，舌淡，脉缓弱。治疗应首选（）

A.归脾汤

B.补中益气汤

C.圣愈汤

D.人参养营汤

E.参附汤