Which of the Following Is True of ALL Systems of Social

Which of the following is true of ALL systems of social stratification?

A) If a person no longer identifies with the other members of his category, he is no longer classified at that level.
B) A person's life chances are significantly influenced by her position.
C) Ranks tend to fluctuate rapidly and significantly over time.
D) Upward mobility is a norm that is valued in all societies.
E) Wealthy people are always ranked higher than poorer ones.