单选题
Listen to the conversation and circle the appropriate letter.
单选题
When did Mary begin to study Economic History?
【正确答案】
B
【答案解析】maggie：How long have you studied Economic History?
mary： Since last September, IVe spent nearly 6 months on it till now. I heard that I must have finished at least one full-time semester of study in my current course if I want to change my major. Now I have fulfilled it.
maggie：Perhaps you will have more interest on it if you spend more time.
mary： It won't happen to me. I really don't like it, so I must change my major as soon as possible.
maggie：So, what's your new major and when will it begin?
mary：I plan to apply for Philosophy, and the course will begin in March. I think I have enough time to prepare for the new major entry requirements.
maggie：I hope you can pass it. Good luck to you.
mary： Thank you.