Rainsford's actions are justified because he will never truly be free until Zaroff is dead. A "beast at bay" refers to someone who is still being hunted. Rainsford will always feel hunted as long as Zaroff is alive, because he knows the 'hunt' will always go on in Zaroff's mind. He has to kill Zaroff so he doesn't have to live in fear.
Answer:
what kind of question is this
D - Hansel and Gretel must find a way to escape from the witch.
While answer A shows a conflict, their major conflict is with the witch. B is incorrect and they don't have any decision to make whether or not to stay and C is never mentioned in the text.