Which of these statements about human evolution is correct? A) The ancestors of Homo sapiens were chimpanzees. B) Human evolution has proceeded in an orderly fashion from an ancestral anthropoid to Homo sapiens. C) The evolution of upright posture and enlarged brain occurred simultaneously. D) Different species of the genus Homo have coexisted at various times throughout hominin evolution. E) Mitochondrial DNA analysis indicates that modern humans are genetically very similar to Neanderthals.