Which of the Following Explains Why the Link Between Family

Which of the following explains why the link between family background and educational achievement persists?

A) The system of inequality became more open in the last half of the twentieth century.
B) Students from lower socioeconomic backgrounds tend to be streamed into vocational and college diploma programs.
C) Canadians are completing fewer years of schooling than ever before.
D) The school system has become increasingly less differentiated.