Disappear, because a verb is a action or occurrience.
Answer:
Pisous beliefs i could be wrong
Explanation:
I think D because that shows/ explains the persons experience doing that
What makes them similar is that that both Charrington and O'Brien seem to be on Winston's side, i.e. against the Party. Another similarity is that they both end up betraying him, essentially they deceived him by hiding their true intentions from him. Charrington uses a literal disguise, while O'Brien was just pretending to be something he is not.