-----Excuse me, but could I trouble you for some change?

-----_______.Will pennies do?

A．I know

B．Never mind

C．I am sure

D．Let me see

咳声重浊，痰白清稀的临床意义是（）

A.肺热咳嗽

B.肺燥咳嗽

C.痰湿咳嗽

D.外感风寒

E.寒湿咳嗽