The problem there is that the first two are hypotheses without any evidence (and there are other contradictory hypotheses), and the third seems to confuse consciousness with self-consciousness. Evolution doesn't really help; it explains why we have various reactions to things, but bear in mind that these reactions are just movements of ions through membranes; the question is, why does it need a consciousness to be there when it seems like it should work perfectly well by itself, via the laws of physics.