Definition: 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.
Input: M: Excuse me. Could you tell me the way to the zoo? ,F: Yes, it is just over there, across the street. ,M: Thank you. Oh, how did you learn to speak English so well? ,F: I listen to BBC English programs every day. ,M: Are they easy to follow? ,F: Yes, I use my shortwave radio and they have explanations in Chinese for the difficult grammar points. ,M: That sounds very helpful. How long have you listened to the programs? ,F: I started 3 years ago when I was in middle school.
(A) M: You have only studied English in middle school for three months! But you speak English very well. (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: Although you are only in junior high school, you have been learning English since primary school. You have been learning English for three years. (D) M: So you have been learning English for three years.

D