"The Love Song of J. Alfred Prufrock" is actually a poem that was written by T.S Eliot. And based on this poem, the important part of this that is repeated is t<span>he envy Prufrock feels toward sea life. The answer to this would be option D. Hope this answer helps.</span>
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.