After performing a successful operation,the doctor at last pulled the patient ____.

问题描述:

After performing a successful operation,the doctor at last pulled the patient ____.
A:back
B:in
C:up
D:through

D
pull sb.through是使恢复健康,使渡过难关的意思
在实施了一个成功的手术之后,医生终于将患者救了过来.