IT IS C I DID THIS ON STUDY ISLAND PLS MARK BRALIEST HEHEHEH
The sentence which uses a participial phrase as an adjective is:
<span>A) </span><span>Working
hard is the key for being successful in life. </span>
A participle is a verb which functions as adjective to
modify a noun or pronouns. It can be present or past particles.
There are three adverbs: quietly, heavily, surprise.
okay hold on, they wont let my answer go through so i'll post this and write it in the comments :)