During Anthropological Fieldwork, Cultural Anthropologists

During anthropological fieldwork, cultural anthropologists

A) learn the local language, record people's economic transactions, and study how environmental changes affect agriculture.
B) examine items of material culture and the rise of cities and states.
C) excavate sites where written historical documentation exists in order to understand the transition from hunting and gathering to agriculture.
D) study how language use is shaped by group membership and identify and how language helps people organize their cultural beliefs and ideologies.