Answer:
The correct answer is option B. more robust.
Explanation:
Homo erectus was much later to australopithecines and more like homo sapiens with a body like homo sapiens. Homo erectus has broad shoulder, longer joint bones and hip bones in Comparision of australopithecines.
Australopithecines were more like apes with the curved rib cage and were dependent on plants for their food while Homo erectus has a more robust body and first hominins to hunt and gather food.
Thus, the correct answer is option B. more robust.
