What Evidence Did Scientists Use to Decide That Hominids Were

What evidence did scientists use to decide that hominids were more diverse than had been suggested by the early australopithecine finds such as Lucy?

A) Fossil finds in East and South Africa showed that several different kinds of early hominids were living in isolated societies and evolving separately.
B) Fossil finds in southern Africa indicated that some groups of hominids had begun to use fire.
C) Fossil finds indicated that some groups of hominids prior to australopithecines made bone tools.
D) Some fossils indicated that different hominids were evolving in Southwest Asia,and had remarkably modern teeth and hands.