—I didn’t see you when I went to your office yesterday afternoon. Where were you?

—I ____ a meeting in the meeting room.

A．have

B．will have

C．am having

D．was having

患者，女性，60岁，因肺炎住院治疗，因长期输液需要，预留置静脉套管针。

输液第3天，患者诉注射部位疼痛，局部沿静脉出现条索状红肿、灼热，考虑病人发生了（）

A.发热反应

B.急性肺水肿

C.静脉炎

D.空气栓塞

E.肺炎加重