Which sentence contains an adverbial phrase?

A) The hopeful actors agreed to meet in the dressing room before the audition.

B) The persistent rain left large, rippling puddles and soggy front lawns.

C) The ongoing delay really infuriated the cranky, grumbling audience.

D) The oblivious pedestrian encountered loud car horns blaring at him.

An adverbial phrase is a phrase that contains an adverb plus its modifiers or complements. An adverb phrase also functions like an adverb; it modifies an adjective, a verb and an adverb. It also answers the questions how? when? where? to what extent? and why?. The sentence that contains an adverbial phrase is: The hopeful actors agreed to meet in the dressing room before the audition. The correct answer is option A. The adverbial phrase here answers the question when? which is "before the audition".