Margaret Mead's talent for blending fieldwork with dynamic writing about gender roles provided her with the authority and opportunity to become what kind of anthropologist?

D. Public anthropologist

Explanation:

According to Robert Borofsky, a professor at Hawaii Pacific University, public anthropology "illustrates the willingness of anthropologists and anthropology to deal effectively with problems beyond the discipline - enlightening broader social issues of our time as well as promoting large, public discussions about them with the explicit purpose of promoting social change".