慢性支气管炎急性发作期治疗最主要的措施是

A．止咳祛痰

B．控制感染

C．解痉平喘

D．菌苗注射

E．吸氧补液

一David is outgoing．

— _____Both of them are popular at school．

A．So is Tom．    B．So he is．         C．Neither does Tom．