Which of the following statements are true about whole culture and subculture?

A、 When we do intercultural research based on the whole culture, every member in the whole culture society is regarded as a stereotypical representative.;

B、 People in different groups or communities share the same or similar values or viewpoints of the world and the life mode.;

C、 Subculture is a culture existing in whole culture.;

D、
Subculture stands for the whole nation/people in one country.