C. He as a subject because it's in the beginning of a sentence, and a sentence always have to start with a subject
Answer:
I believe that peer is referring to someone else who goes over your paper or report and then puts checks next to things you need to work on or that you have done.
Prospect, it means: potential things that may come to pass, often favorable, or to search for something, like gold.
An example sentence using prospect as a noun is: The result, therefore, of this physical inquiry is, that we find no vestige of a beginning,— no prospect of an end.
An example sentence using prospect as a verb is: During the gold rush in California, many people prospected for gold by panning in the river.
