Australopithecus Robustus's Large Masticatory Complex (Large Molars,face,and Muscles)indicate an Adaptation

Multiple Choice

Australopithecus robustus's large masticatory complex (large molars,face,and muscles) indicate an adaptation to:

A) eating hard food with sand in it.
B) eating a great deal of red meat.
C) eating foods requiring heavy chewing.
D) gnawing on bones.