_____ apple fell from the tree and hit him on _____ head. [ ]

A. An; the

B. The; the

C. An; 不填

D. The; 不填

肺气虚所致虚喘，治疗应首选的方剂是（）。

A.荆防达表汤或荆防败毒散

B.五磨饮子

C.生脉散合补肺汤

D.参苏饮

E.加减葳蕤汤