Answer:
The correct answer is option A. large cranial capacity.
Explanation:
Humans (genus Homo) are said to have descended from australopithecines ancestors found 2 to 3 million years ago. Early homo came after the australopithecines who were more similar to homo sapiens.
The major characteristics that distinguish early Homo from Australopithecus are early homo have a larger cranial capacity which is larger brain size and smaller dentition. This distinguish character is more because of their diet.
Thus, the correct answer is option A. large cranial capacity.