單項選擇題患者,男,45歲,胸悶,咳嗽,咯吐痰涎,色白清稀,鼻塞流涕。用藥首選()

A.歸肺經(jīng)
B.歸心經(jīng)
C.歸肝經(jīng)
D.歸膀胱經(jīng)
E.歸脾經(jīng)