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.

M: So, Misaki, you're from Japan, right? ,F: Yes, I'm from Akita, the northern Japan. ,M: What is it like? ,F: There are a lot of mountains. And you can actually see colors changing on them in the fall. ,M: Sounds beautiful. ,F: Yeah, in my home, Yashima town, there are only 6,000 people. But there is an amazing waterfall which I consider to be the best in Japan, really tall and wide. ,M: Cool. So when is the last time you went home? ,F: 7 days ago. My parents still live there.
(A) M: So you have just visited your parents a week ago. (B) M: So you left your hometown Paris a week ago, right? (C) M: You must miss them very much because you haven't seen them since half a month ago. (D) M: I didn't hear you. Please could you tell me again?
A