— Mr Smith wants to know whether you went to meet him at the station yesterday.

— Yes. We______ in the station's waiting-room _____ evening. But he didn't show up.  [ ]

A. stayed; until

B. didn't stay; until

C. stayed; not until

D. not stayed; until

患者，男性，52岁，慢性支气管炎。春季花开时，哮喘发作，自感胸闷、气急，有痰不易咳出，具有喘憋感，呼吸30/min。

护士立即采取的最佳护理措施为

A．卧床休息，减少探视
B．报告医生
C．氧气吸入
D．给予静脉滴注氨茶碱
E．吸痰保持呼吸道通畅