What Have Researchers Learned by Looking at the Molars and Other

What have researchers learned by looking at the molars and other cranial features of H. erectus?

A) H. erectus was more dependent on tubers than earlier hominins.
B) The paucity of dental remains of H. erectus has made it difficult for researchers to say anything significant.
C) H. erectus was more dependent on hunting-and the lifestyle it demanded-than earlier hominins.
D) H. erectus had yet to make the shift to hunting seen later on with Neandertals.
E) The chewing apparatus of H. erectus was essentially the same as that of H. habilis.