The correct option is D All
Social stratification refers to social differentiation whereby society groups people based on their class, economic status, occupation, power, religion caste etc. People are categorised as inferior and superior based on their social position. Social stratification is found in all ranges of society and the system of classification find its roots from ancient times since people were only indulged in Hunting, gathering and status. Based on their position they are assigned different roles and status. Social stratification is done by society and it is not natural. Man for their own needs make groups and avail opportunities and as the result of social inequalities classification arises which categorises people.