Which of the Following Statements About the Appearance of Homo

Which of the following statements about the appearance of Homo habilis is true?

A) H. habilis evolved from A. boisei, the hyperrobust australopithecines.
B) H. habilis demonstrates the adaptive advantage of sedentism.
C) H. habilis exhibits a relatively rapid expansion of cranial capacity.
D) H. habilis shows evidence of a shift from an arboreal to an open-grassland environment.
E) H. habilis represents a gradual shift away from predation to vegetarianism.