A Key Difference Between Caste and Social Class Is

A key difference between caste and social class is

A) class divides people in terms of biological relatedness, caste in terms of social relatedness.
B) class divides people in terms of moral purity, caste in socioeconomic terms.
C) caste divides people in terms of moral purity, class in socioeconomic terms.
D) irrelevant, there are no differences between caste and social class.