Why Might Sociologists Criticize a Study of "American Culture

Why might sociologists criticize a study of "American culture"?

A) Americans do not produce their own culture; they only copy others.
B) Culture originated with the high art associated with Western Europe, not the United States.
C) There is no single "American culture" but rather a contested terrain of mainstream culture and hundreds, if not thousands, of subcultures.
D) Americans are notoriously uncultured people.
E) American culture is the province of anthropology, not sociology.