----I’ve just heard that the lecture (讲座)to be given by Ma Yun,the Alibaba CEO,has been cancelled(取消).

----Oh , no!__________ .

A．It’s wonderful.

B．It doesn’t matter.

C．I have no idea.

D．I was looking forward to that.

男，41岁，咳嗽，咳少量白痰伴胸部不适1个月余，痰中带血1次。CT示两肺多发大小不等、不规则软组织密度结节，部分病灶内可见不规则空洞，壁厚。首先考虑为（）

A.血源性肺脓肿

B.细支气管肺泡癌

C.亚急性血行播散型肺结核

D.支气管扩张合并感染

E.韦格肉芽肿