Answer:
an off-record scource is just uncarted and/or hard to find. however, an anonymous scource has no specific author. someone would prefer to chose to speak to a reperter off the record probanly because they dont want to gain too much attention.
Explanation:
i really hope this helps!
For him to resign and step down from being president
Diction is the author's word choice.
So A, otherwise known as the first choice in your list.
Hope this helps!
It's the third one I'm pretty sure