...admirers to be his verse masterpiece.
I would say that the parallel list here is C) a lost puppy, a colored poster, and a happy boy.
This is because all words have an article <em>a, </em>and an adjective in front of them, so they are parallel.
C) who reads it.
The audience is determined by the subject, and who reads it is the audience. Hope this helps!
<span>In her poetry, Phillis Wheatley presents herself as a </span>patriot.
