From his         look, we could see the boy was         of the stranger.

A．terrified; terrified

B．terrifying; terrifying

C．terrifying ; terrified

D．terrified ;terrifying

多数外科医师将肝脏保存时限定为（）

A.5小时以内

B.10小时以内

C.12小时以内

D.20小时以内

E.24小时以内