Which Statement BEST Describes the Research on Pay Equity

Which statement BEST describes the research on pay equity?

A) Women make less than men for the same job only in traditionally male occupations.
B) Women make less than men for the same job, even in traditionally male occupations.
C) There is a gap between what men and women are paid for the same job, but it emerges about 10 years after college.
D) There is a gap between what men and women are paid for the same job, but it only occurs after a woman has taken time out of the workforce.