It depends on what the problem is
The best way to do so is by stating your claim, and use evidence to support it. If there is no evidence to support your claim, it is simply just an opinion and people will have no reason to think you are right.
Hope this helped, have a good day :)
A and C are correct options.
There is no need to imitate Reagon and it will make it just an audio tape. Also, no need to add slangs as there would be teachers and other members there.
