Which of the following prepositional phrases can function as an adverbial?

A、 Despite the rain, everyone enjoyed the trip.
B、 The man with a beard is talking to the manage.
C、 Every precaution was taken against the failure of the plan.
D、 Are you sure of Simon's disappearance?

【正确答案】 A

【答案解析】选项A中despite the rain是让步状语。选项B中的with a beard是the man的定语。选项C中against the failure of the plan作主语补足语。选项D中of Simon's disappearance作表语sure的补足语。因此选A。