The interviewer wants to know why you got a D in all your English classes until this year, when you got a B. Your best response is

A- “I had problems writing and never thought it was important. Then, I realized that it is important, so I got myself a tutor and really buckled down.
B- I've learned a lot this year. My teachers could never get through to me. It wasn't until this year that I ran into one who could actually teach. C-I can't write, but then this job doesn't require much writing. You need people with math skills, and that's what I have, math skills.
D-I have always had problems writing. I'm just no good at it. Fortunately, my teacher this year is really nice and felt that I deserved a 'B' for effort

the answer is a

2 answers

I think you are right
I prefer A.

It's placing the responsibility on the interviewee and doesn't blame anyone else.