颌间支抗是指A．支抗部位在枕部 B．支抗部位在头顶部 C．支抗部位在同一牙弓的后牙

Linda: Hi, Bruce! I haven’t seen you for a long time.   小题1:   
Bruce: I’ve been to Qinghai with my parents.
Linda:    小题2:   
Bruce: For two weeks.
Linda:     小题3:   
Bruce: It’s one of the most beautiful cities in the northwest of China. I like it very much.
Linda: Which is your favorite place?
Bruce:     小题4:   When I was there, I lost myself in the beautiful city.
Linda: What interesting things did you do there?
Bruce: Lots of things, such as swimming, boating, fishing.   小题5:  
Linda: Oh, really? I hope to go there for a visit one day.

A. I think Sound Lake is the best. B. How do you like Qinghai? C. Where have you been? D. How long have you stayed there? E. But I think riding camels is the most exciting one.