I believe your answer is D!
I think your essay is wonderful! You said your opinion in your first paragraph, then stated why in the next ones. Also the big if is pretty cool. Keep on writing essays and lapses will be corrected. Try to proofread and check the spelling so that it will be better.
Martin Luther King Jr. repetition the phrase "I refuse" because he didn't like how the whites treated the blacks in the 1900's.