F: Your English is so good. When did you learn it? ,M: By the time I was 5. Now I am 13 years old.
(A) F: It's amazing that you learn English so well within 5 years. (B) F: I'm surprised that you learned English for 13 years. But you English is very poor. (C) F: It's amazing that you learn Japanese so well within 8 years. (D) F: Excuse me, could you repeat the question?
D