Peter has been busy these days and seldom ________ to come over to have a chat with me.

   [ ]

A. doesn't he have time

B. does he have time

C. he has time

D. he hasn't time

急腹症病人的特点有（）

A.发病急、病情重

B.饱胃病人多

C.继发感染、休克者多

D.详细病史，既往史多不完全了解

E.麻醉前准备时间短