What Are the Common Traits That Bruce Miller Found Are

What are the common traits that Bruce Miller found are used to define "indigenous" in different parts of the world?

A) They have lived exactly the same way since they were encountered by the colonizers and they have not adopted the style of dress of the colonizing culture.
B) They live in some clearly identifiable way that maintains their own distinct culture,and they have been living exactly the same way since they experienced colonization.
C) They live in some clearly identifiable way that maintains their own distinct culture and they continue to practice the same ways of hunting,gathering,or other traditional livelihoods.
D) They continue to practice the same ways of hunting,gathering,or other traditional livelihoods and they have not adopted the style of dress of the colonizing culture.