Why Do Anthropologists Question the Idea That Present-Day Foragers Can

Why do anthropologists question the idea that present-day foragers can be compared to Paleolithic foragers?

A) There are no present-day foragers.
B) The types of foraging vary so widely that few generalizations can be drawn.
C) Present-day foragers have been in contact with food-producing and industrialized societies for long periods of time and all live within nation-states that inevitably affect their livelihood.
D) Paleolithic foragers were pre-linguistic.
E) Paleolithic foragers were not Homo sapiens.