女，27岁。咳嗽少痰，鼻干咽燥，喉痒时连声做呛，头痛微寒，身热，舌苔薄黄，其治法为 （）

A.养阴清肺，化痰止咳

B.清润肺燥，化痰止咳

C.散寒宣肺，润燥止咳

D.疏风清肺，润燥止咳

E.以上都不是

35．—Why didn't you remind him of the possible danger?

—But what ____ otherwise? He never listens to me．

A．could I do

B．could I have done

C．should I do

D．must I have done