Answer:
d. differing styles of life
Explanation:
In sociology, the term style of life refers to the way of life of an individual or culture. In other words it refers to their behaviors, attitudes and traditions based on the culture or social class they belong to.
In this example, we are told that lower-class people are more likely to drink beer, eat frozen pizza, and watch more television than are middle-class people. We can see that this statement refers to behaviors of individuals based on the social class they belong to. Therefore, this is an example of d. differing styles of life.
