"The moment ________ soon," he thought to himself, waiting nervously.   [ ]

A. came

B. has come

C. was coming

D. is coming

肝性脑病患者出现烦躁不安时，最好选用()

A．氯丙嗪

B．吗啡

C．地西泮

D．硫芬妥纳

E．哌替啶