Answer :
A). "more farther" is redundant. That's not correct.
B). "most neatest" is redundant. That's not correct.
C). Ahhhh. Yes. That's correct, and so nice.
Yes, it's D. Your guess was correct. In A, more farther wan't correct. B, was the most neatest isn't right either. Like A, C wasn't right either.