Which of the Following Statements About Ethnocentrism Is True

Which of the following statements about ethnocentrism is true?

A) Ethnocentrism is always dysfunctional, often creating tensions between social groups.
B) Ethnocentrism is based solely on prejudice and discrimination.
C) Ethnocentrism is the belief that one age group is more mature than another.
D) Ethnocentrism is sometimes functional.
E) Ethnocentrism encourages positive group interaction.