Which of the following statements proves the existence of wage discrimination?

(A) Male prison guards earn more on average than female prison guards.
(B) Professor of economics earn more on average than professors of gender studies.
(C) Men earn more on average than women.
(D) All of the above prove the existence of wage discrimination.
(E) None of the above prove the existence of wage discrimination.

Respuesta :

D would be the correct answer
D would be correct because it takes about how wages are not equal