患者男，67岁。经颈内静脉放置肺动脉导管，RAP20mmHg，CI2.0L·min^-1·m^-2，PAP25/13mmHg，PCWP10mmHg。

置入肺动脉导管和监测过程中，可能出现的并发症包括（）

A.肺梗死

B.血压升高

C.瓣膜损伤

D.肺动脉破裂和出血

E.心律失常

F.血胸、气胸

G.心脏压塞

根据各组对话内容，从下面方框里提供的5个选项中选出最佳选项

A: Could I use your dictionary. pleaseB: ().A: Thank you. I’ll return it as soon as possible.

A．Sure. What is it

B．It’s very nice of you to say so.

C．It’s nothing.

D．Have a nice trip!

E．Certainly. Here you are.