Your answer should be:
A) The terrible loss of life during the battle
You would use they or them. You can use third person pronouns.
Answer:
B
Explanation:
Revision is a process where whole sentences can be worked on. It's likely the second best answer. Not D
He would be publishing if he's still checking grammar. Publishing for something like footnotes.
He's much beyond prewriting. In prewriting, there's nothing there to either edit or revise. Not A.
I'd pick B. You are down to the fine points.