Living in        ever increasingly fast-paced world, we must take____  advantage of every opportunity to develop．

A．an; the

B．an; an

C．the; an

D．the;／

高血压危重症快速降压宜选用

A．静滴硝普钠

B．卡托普利

C．普萘洛尔

D．静注地西泮

E．静注呋塞米