27.有關人類的演化，下列何者為真？ (A) The ancestors of Homo sapiens were chimpanzees and other apes. (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 features have evolved at different times. (E) Mitochondrial DNA analysis indicates that modern humans are genetically very similar to Neanderthals.