—Susan, why are you still here? They are all ready to start.

—I’m sorry, but I        when to meet.

A．wasn’t told

B．don’t tell

C．didn’t tell

D．haven’t told

男，50岁，刺激性干咳，持续痰中带血2个月。无发热及咳脓痰史。查体无紫绀，但杵状指（趾）明显。最可能的诊断是（）

A.支气管扩张

B.慢性肺脓肿

C.支气管肺癌

D.浸润型肺结核

E.肺炎球菌肺炎