Given the task definition and input, reply with output. In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

F: Next, please. ,M: Hi, I bought this DVD player here last Saturday, but it's not working properly. ,F: What's the matter with it? ,M: Well, several things. First of all, the remote doesn't work. ,F: Did you put batteries in it? ,M: Yes, of course. But it still didn't work. I couldn't change any of the functions on the display. It also doesn't fast forward when I'm playing a DVD. ,F: Well, I'm sure that it's just a problem with this one player. I've never seen this with any of the models made by this brand. Do you want any of exchange it or return it?
(A) M: I'd like to change it. Though I forgot put the battery in the remote, the fast-forward function still doesn't work well. (B) M: I'd like to return it. I heard that this brand of the CD players work not well all the time. (C) M: I'd like to change it into a new one. The CD player works not well for several problems, I like it though. (D) M: I didn't hear you. Please could you tell me again?
D