1) Which one are you interested in?

您对哪种感兴趣?
2) be interested in

对......感兴趣
3) Be interested in; be curious about;want to know about

对..感兴趣
4) be interested in

对¥感兴趣
5) To be interested in.

对…感兴趣
6) He's interested in the theater.

他对戏剧感兴趣。
参考词条