[单选题]

杏苏散的功用是

A.清宣凉燥,理肺化痰

B.清宣温燥,理肺化痰

C.清燥润肺,养阴益气

D.清养肺胃,降逆下气

E.养阴清肺,解毒利咽

参考答案与解析: