根据对话内容，从方框内所给的选项中选出能放到空白处的最佳选项。

Maria: Did you use to eat candy?

Peter: Yes, I did.

Maria:

Peter: No, I don't.

Maria: Me? I enjoy eating candy all the time. I also used to watch TV a lot.

Peter: So did I. Did you use to spend much time in playing computer games?

Maria: Yes, I did.   I used to walk to school. How about you?

Peter: I used to go to school by bus. But now I like walking to school.  

Maria: No, I ride a bike to school every day.

Peter: Of course I did.

A. Do you walk to school now? B. But I just don't have time any more. C. Do you like eating candy now? D. Did you use to ride a bike when you were free? E. What about you?