I discount both the christian and the evolutionist theories, and here is why: neither one has anything to do with your life, this very moment in time. Both theories are over a time span that is not cemented in stone, nor in language of that moment.
An omniscient, omnipresent God that created the universe (the "christian theory" you mentioned), yet loves humanity and sent his son to tell the world about him and suffer a brutal death so that we could live with Him in eternity doesn't have "anything to do with your life"?