It Has Been Proposed That Large Brains Evolved in Homo

It has been proposed that large brains evolved in Homo species because

A) evolution of a large brain was a consequence of evolution of overall larger body size.
B) large brains allowed better visual acuity, which was favored by natural selection.
C) genetic drift increased the frequency of large- brained alleles.
D) large- brained individuals were better able to outwit and escape predators.
E) natural selection favored large- brained individuals because they were better in social interactions.