By the Early Twentieth Century, Some Anthropologists and Biologists Concluded

By the early twentieth century, some anthropologists and biologists concluded that the concept of "race" was

A) Justified by the increasingly scientific biological research on human beings.
B) A cultural label invented by human beings to sort people into groups.
C) A political liability, although the evidence was increasingly strong in its favor.
D) A label that recognized important intellectual and biological differences among groups.