Question

Which words in the sentence are the adverb phrase?

After the power outage, the players left the field.

A.
left the field

B.
the players

C.
players left

D.
After the power outage

Answer 1

The correct answer is the last one:After the power outage,

An Adverb phrase says how, where, when  or why something is done: and here it tells us that it was after the outage!