The patient has been _____ of the safety of the operation.

问题描述:

The patient has been _____ of the safety of the operation.
A.assured B.guaranteed C.entrusted D.confirmed
应该选哪个..为什么啊...

A
be assured of 确认,确信
没有be guaranteed of这个词组,be guaranteed to do就有
没有be entrusted of这个词组
没有be confirmed of这个词组,光是be confirmed就有