The children went home from the grammar schoo1,their lessons  ________ for the day．

A．finishing

B．finished

C．had finished

D．were finished

女，57岁，3个月前发热。CT扫描示右上肺胸膜下多房性空洞。部分空洞内可见小气液平面，病变周围散在小斑片状病灶，相邻胸膜增厚，最可能的诊断为（）

A.结核性空洞

B.慢性肺脓肿

C.空洞型肺癌

D.肺大疱合并感染

E.支气管扩张并感染