—Nice to see you. I ________ you for a long time.

—I ________ in Beijing. I've just got back. [ ]

A. hadn't seen; was

B. haven't seen; shall be

C. haven't seen; was

D. didn't see; have been

男性，26岁，左胸壁刀刺伤1小时，呼吸困难。体格检查：伤口长6cm，伴胸内活动性出血，并有气体随呼吸进出，病人烦躁，血压10/6kPa，左肺呼吸音低，心率140次／分，心音正常。胸片：左肺压缩100％，气管向右移位。正确处理为（）

A.清创缝合

B.左锁骨中线第2肋间粗针穿刺

C.左侧闭式胸腔引流

D.心包穿刺

E.输液，输血，剖胸探查