Mark the letter A, B, C, orD to indicate the sentence that best completes each of the following exchanges.Câu hỏi Mary is talking to Peter.Mary: I wouldn’t burn rubbish if I were you because it releases harmful gases into the atmosphere.Peter: ________ A. Thanks for your compliment. B. Oh, really? I don’t know that. Thanks so much. C. I’m worried about that. D. You are right.