Paleontologists Have Inferred Bipedalism in Hominins from Which of the Following

Paleontologists have inferred bipedalism in hominins from which of the following structures in humans as compared to chimpanzees?

A) Human leg bones are shorter than in chimpanzees, and chimpanzees have longer foreleg bones than humans do.
B) Human leg bones are longer than in chimpanzees, while chimpanzees have longer foreleg bones than humans do.
C) Human leg bones are longer than in chimpanzees, and chimpanzees have shorter foreleg bones than humans do.
D) Human leg bones are shorter than in chimpanzees, while chimpanzees have shorter foreleg bones than humans do.