the virus made me join this year
The line is an example of a direct quotation. That is when a quotation by someone is unchanged and presented in its entirety. Of course, it's a part of a larger speech, but it's unchanged and can be as such analyzed for various things that the linguists would be searching for.
I believe the correct answer is D. that he is a very strong judge of character.
Even though he is young, Huck knows that his father is just a drunk loser, who would milk him out for money to buy alcohol. Huck is a troubled child who is used to mischief, so he has learned to tell real danger from mere annoyance. His father's behavior does frighten him at first, but it only takes a moment for him to realize that there is no reason to be afraid.
I would think the answer is C standard English because gotten is use to say something like Look what you gotten yourself into or Why did you gotten me into this to.