Refer to the Figure Above and Then Answer the Question

Refer to the figure above and then answer the question that follows.
-Anthropologists may not agree with the conclusions implied by the arrangement of species in the figure above. What is the main reason for that disagreement?

A) There is too much competition among anthropologists to interpret fossil evidence.
B) There is not enough fossil evidence to form solid conclusions.
C) Museums are keeping their fossils from public view.
D) There are not enough scientists to study all of the fossils available for study.