Carolina Studies Mainstream American Culture

Carolina studies mainstream American culture.One of her colleagues notices that she consistently ignores material objects,such as food,clothing,and art.Why might her studies be criticized?

A) These objects are a crucial part of culture that influences how we live our lives.
B) Studying American culture is useless because it has spread all over the globe.
C) Culture is a secondary effect of social structures,so Carolina would do better to begin her studies with capitalism and the state.
D) Of the three things Carolina ignores,only art matters in the context of studying culture.