試題詳解

22. Aaron: I’ve decided to drop my biology major and start a new major next semester.
Mike: But you’ve only been in the department one semester! _______ 
Aaron: Not really, I only took it because my parents thought it would be a good thing to do.
Mike: So, what will you study now?
(A) Don’t you like it?
(B) Why wait? Let’s leave now.
(C) Do you mind if I ask you a favor?
(D) Why bother to change your semester?