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: Excuse me where is the airport? ,F: Um, it's pretty far away. I can show you on the map on my smart phone. ,M: Oh, sorry, and what I meant is how can I get there? ,F: Well, that depends. Do you want to get there quickly or cheaply? ,M: Probably the latter would be better. ,F: All right. If you go down one block and take a left, you'll see the number 12 subway station. Take the number 12 all the way to Grove Street. And then transferred to the airport express' train.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: So I just change trains once to the airport, that's great, Thank you so much. (C) M: Changing trains twice is pretty tiring, I hope I can get the hospital as soon as possible. (D) M: What? So I need to change three trains before getting to the restaurant?
B