根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
A: Hi! Lu Ming. I’m really glad to hear that you’ve done so well in the college entrance examination. I                  .
B: Thank you!
A: With such good results, you will be able to get into Beijing University, I’m sure.
               
B: I will study Medicine.              
A: It’s a good major(专业). Next year I will finish middle school.            
B: So from now on , you must make full use of your time to get well prepared（准备） for next year’s college entrance examination.
A: I’ll try my best to do as well as you have done.
B:                 
A: Thanks a lot!

A．Congratulations.

B．What’s your job?

C．I’m sure you will!

D．You must do better than I’ve done.

E. What major will you choose?
F. And I want very much to enter Tsinghua University.
G. It has been my dream to become a doctor all these years.