Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right?

A)Damaged DNA must be identified by DNA repair proteins
B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the correct DNA sequence
C)Entire strands of damaged Dna must be destroyed by DNA eating enzymes within the nucleus.

2 answers

I replied back saying that I've already used that and now I need someone to tell me if my answer is right or wrong.
Can you please tell me if my answer is right or wrong?