根据对话内容，从文后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: I didn’t find you in the restroom just now. What were you doing?
B: 【小题1】
A: I know you are good at music. 【小题2】
B: At least three times a week. I found a violin there. But I don’t know who it belongs to.
A: 【小题3】
B: Wood and metal. It looks very nice.
A: 【小题4】
B: It’s about 95cm long and 40cm wide.
A: 【小题5】 She got it from her uncle on her twelfth birthday.
B: OK. Let’s go and ask her.

A．How big is it?

B．It might be Susan’s.

C．What’s it made of?

D．I was playing basketball.

E．How often do you go there?

F．I like it very much and I want to have it.

G．I was practicing singing in the music room.