The long-line structure allows for predictable rhyme schemes.
The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
Hope I helped!
Answer:
The speaker asks the wind to “make me thy lyre,” to be his own Spirit, and to drive his thoughts across the universe, “like withered leaves, to quicken a new birth.” He asks the wind, by the incantation of this verse, to scatter his words among mankind, to be the “trumpet of a prophecy.”
I believe the answer would be C.Mournful