The correct answer should be<span> D.The consequences of one's actions
This should be correct because it shows the consequences of the Doctor's actions and the consequences of the monster's action, even though the doctor himself was the bigger monster.</span>
the action or process of reasoning systematically in support of an idea, action, or theory.
They should both restate the claim. Your conclusion could have a Call To Action which tells the reader that you are giving a reference to him/her.