—It shouldn't be so difficult to solve the problem if we all come to help．

—That's right_    _．

A．Many hands make light work

B．Something is better than nothing．

C．The more, the better

D．The sooner begun, the sooner done

男性，25岁，乏力、咳嗽、盗汗、发热月余，咯血1周。胸片示右肺上叶后段炎症，伴空洞形成。最可能的诊断是（）

A.肺脓肿

B.空洞性肺结核

C.肺癌空洞伴感染

D.肺囊肿伴感染

E.支气管扩张伴感染