Analysis of DNA differences between modern humans and Neanderthals indicates that

A) there are many differences found in many different genes.
B) some of the differences are in genes controlling cognitive development.
C) most of the differences are involved in digestion of different foods.
D) the Neanderthal genome is more similar to the chimpanzee genome than to the modern human genome.
E) the two species last shared a common ancestor about 7 million years ago.