Read the excerpt below, and answer the question that follows.
I myself would not have so clearly understood this difference had it not been for the presence of the other
colored children at school; I had learned what their status was, and now I learned that theirs was mine.
What is the difference" that the narrator is referring to?
O the understanding that the white children were treated better by the teacher
O the knowledge that he is not white, he is actually half black
the differences between his academic abilities and theirs
O the knowledge that the black children and white children were to be segregated