Im very confused and don't know what to do?

i like my sort of boyfriend his name is marcus i like a boy his name chase and this boy name ken like me. who should i start dating. but i will be a ninth grader next year and marcus and ken are already at the high school and me and chase is in the same grade but they all are nice people and havent had sex so high school boy have a reputation of turning girls out but im not that kind of person but i love to flirt and people flirt back. which should i talk to Marcus Ken or Chase.