STOP IT! Stop it, stop it, stop it!!!
You have posted this same question AT LEAST 12 TIMES!
You have already gotten an answer - continuing to post this question over and over will not change what has happened.
Yes, maybe she used you on purpose and maybe she was just immature and you got hurt in the process.
The fact of the matter is, this happened several years ago. You need to let it go and move on.
If you can't do that, please seek help from a qualified mental health counselor.