M: Excuse me, do you know where the auditorium is? ,F: I'm not sure. I'm looking for it, too, because my friend is waiting for me there. She had literature classes there this morning. I think it's this way. ,M: Do you mind if I walk with you? ,F: Of course not. What class do you have there? ,M: I'm taking the introductory economics class. I hear it's a big class. ,F: Yeah, my roommate took the class last semester and she said there were over 300 people in the lecture hall.
(A) M: Oh, we are both taking the advanced economics this term. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: That's a lot. I took introductory economics last semester. (D) M: That's a lot. I am taking introductory economics in the auditorium.
D