Which of These Is NOT Something Found in the Fossil

Which of these is NOT something found in the fossil record that has been used by scientists to understand human evolutionary patterns?

A) All of these are found in the fossil record and have been used by scientists to understand human evolution.
B) Clay shards indicate that Homo erectus was likely the first species to use and control fire.
C) Ardipithecus ramidus fossils showed evidence that this species could walk upright,but had a small brain.
D) the lack of an opposable big toe that indicates that Australopithecus probably lived on the ground instead of in trees
E) artifacts at archeological sites that indicate that hominids began using simple tools approximately 2.6 million years ago