Which of the Following Was a Conclusion of the Cultural

Which of the following was a conclusion of the cultural deprivation studies conducted by Jencks and his colleagues?

A) There is substantial inequality of inputs in public schools.
B) Unequal achievement is caused by deficiencies in schools, not in children.
C) Schooling has only a small effect on income.
D) Family background predicts future income, especially for the rich and the poor.