All of the Following Are Examples of Racism in the Classroom

All of the following are examples of racism in the classroom except:

A) White boys have been found to be the most likely recipients of teacher attention.
B) Girls of colour are the least likely to receive attention from their teachers.
C) Research on working-class black girls and their middle-school classroom experiences demonstrates how teachers tend to encourage the girls to conform to a normative model of docile femininity.
D) Anti-racist pedagogy.