According to the Text, Individual People Do Not Need to Be

According to the text, individual people do not need to be sexist in order for there to be sexism. How do sociologists explain this?

A) Sexism is a natural part of life and of being human, so it doesn't matter what the individual does.
B) Sexism has become embedded in the structure and ideology of social institutions.
C) Even when people are not consciously being sexist, it is part of their subconscious so it still comes out in different ways.
D) Sociologists do not agree that it is possible for there to be sexism without individuals being sexist.