One Important Reason That Medical Anthropology Has Grown Significantly Since

One important reason that medical anthropology has grown significantly since the 1980s is that

A) the medical profession has increasingly relied upon anthropology for data.
B) intensive fieldwork has increased the level of intimacy between the anthropologist and the subjects under study.
C) more anthropology students have also entered the field as trained medical professionals.
D) anthropological research has become increasingly generous with how subjects can be studied.