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: F: I bought a Harry Potter book yesterday. It's 46 yuan. ,M: That's so expensive. I only spent 20 yuan on it. ,F: Really? The price of this book is 46. Is yours fake? ,M: Maybe. Now I know why there are so many errors in it.
(A) F: I agree. Though the book is cheaper, it's not worth buying. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: With so many errors in the fake book, why do think its still worth reading? (D) F: You're right. Your book is only 6 yuan cheaper than mine, yet it has many errors. It's not worth buying.

A