Mark the letter A, B, C, or D to indicate the sentence that best completes each of the following exchanges.Câu hỏi Lan is talking to Minh.Lan: Minh, could I meet you on Saturday morning?Minh: ________ A. Sorry. You couldn’t say that. B. I’m happy to see you again. C. It's a pity you can’t come. D. I’m afraid I can’t make it at that time.