男性，44岁，反复咳嗽、咳痰、咯血15年，再发咯血2天。幼年时患过麻疹并发肺炎。体检：左下肺可闻及湿啰音，可见杵状指。最可能的诊断是（）

A.肺结核

B.肺脓肿

C.支气管癌

D.支气管肺炎

E.支气管扩张

All don''t have a free ticket must pay the admission fee.

A．Everyone who doesn't have a free ticket

B．No one who doesn't have a free ticket

C．No one who has free tickets

D．Anyone who has free tickets