This is a hard one and I can see why you decided to post it here. B is most definitely wrong but the other three are all neck and neck. There are both even pros and cons of A and C but I think it would be more reasonable to adopt a general routine. So I think the answer would be C.
The October revolution and the rule of Bolsheviks.
Refusing to acknowledge something unpleasant is a way of coping with that thing. Saying something that’s unpleasant isn’t unpleasant or there, convinces them that it might make it actually go away,
<u>Answer:</u>
fact = a thing that is known or proved to be true
value = the regard that something is held to deserve; the importance, worth, or usefulness of something
policy = a course or principle of action adopted or proposed by an organization or individual
opinion = a view or judgement formed about something, not necessarily based on fact or knowledge
assertion = a confident and forceful statement of fact or belief.
<u>
Words In Sentence:</u>
1) "he ignores some historical and economic facts"
2) "your support is of great value"
3) "the government's controversial economic policies"
4) "that, in my opinion, is right"
5) "his assertion that his father had deserted the family"