Given That Chimpanzees and Humans Are Closely Related, It Is

Given that chimpanzees and humans are closely related, it is not surprising that early pre-australopithecines such as Ardipithecus ramidus had a

A) large brain, as Darwin predicted.
B) very humanlike skull.
C) lower body that is adapted for climbing and an upper body that is adapted for bipedal walking.
D) small brain, a long forearm, and evidence of good climbing ability in the pelvis.