don't worry.the doctor _____and he'll be here soon.

问题描述:

don't worry.the doctor _____and he'll be here soon.
A.has been sent for
B.will send for
C.was sent
D.has sent for

A,首先根据意思是已经叫医生的,所以用完成时,再就是医生是被叫,所以用被动.