(39) sometimes a person thinks that the answer to an English question will be "Yes," but that person isn't right. How do you answer the following?

(A) Question: don't you have one?

Answer: No, I don't (B) Question: don't you have one? Answer: Yes, I do

(C) Question: don't you have one?

Answer: Yes, I don't

(D) Question: don't you have one?