Folkways means

A.centring on beliefs and practices.
B.behaviour that departs unvarying degree of conduct.
C.ordinary modes of behaviour governed by norms.
D.a criterion for role performance.

Caste system is

A.a tendancy to feel and act in a certain way.
B.a stratified social system in which social position is entirely determined by parentage, with no provision for change of position.
C.nmutual cultural traits
D.a gathering of people