F: Hi, jack. I hear you have a new English teacher. What do you think of her? ,M: Well, she always makes her class lively. But if you are absent minded, here the better watch out.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Jack. You are very humorous. (C) F: He is a very responsible teacher. (D) F: So she is very responsible.
D