— Can the project be finished as planned?

— Sure, _____ it completed in time, we'll work two more hours a day.  [ ]

A. having got

B. to get

C. getting

D. get

作用于细胞膜L-型钙通道，减少细胞内钙含量，使血管扩张的是（）

A．硝苯地平

B．普萘洛尔

C．卡托普利

D．哌唑嗪

E．硝普钠