The one that is right for you. Honestly, just because someone walks a different path doesn't mean they are lost. In the end they all lead to the same end. So find the religion that speaks to your heart and soul and go with it. Own your own spirituality because no one can tell you what that is, not your friends, not your family, not a preacher and certainly not the people online :)
there is no correct one that we know off, closed minded people will state their own. personally, just go with your own :) and go with what makes you happy :) and which one i think is real? i dont know, no one does, i am Muslim but that doesnt mean Islam is correct. we find out soon enough i guess :)
This is a terribly opinionated question but of course I will vote for Christianity because is what I believe in, but Buddhism is respectable, as is Islam, but if I had a choice besides my present I'd say Objectivism .