What Do Sociological Studies Show About Wage Disparities

What do sociological studies show about wage disparities?

A) Women typically have less education than men and thus are paid less.
B) Once you account for experience, training, education, personal characteristics, and college major, the wage gap disappears.
C) Once you account for experience, training, education, personal characteristics, and college major, you find that women still earn less than men.
D) Women typically have more education than men and thus are paid more.