I ______ Mr White at that time, otherwise I wouldn’t have asked you for some information about him. [ ]

A. hadn't known    

B. didn't know        

C. don't know    

D. haven't known

以下不是对急危重病人抢救工作中的道德要求的是（）

A.树立时间就是生命的诊疗观

B.在诊疗一般病人时，不能立即放弃去抢救生命危机的病人

C.在诊疗行为上作出迅速快捷的反应，采取各项措施

D.对病人的要求，耐心作出应答

E.勤奋主动地做好治疗工作