社区感染肺炎球菌肺炎的治疗，最主要的措施是（）

A.卧床休息，补液

B.祛痰止咳

C.退热止痛

D.给氧

E.选用敏感抗生素

With this（）mind, we are writing to inquire if we could now begin discussing the question of sole agency.

A.in

B.on

C.at

D.inside