How Is Social Security Discriminatory Toward Women

How is Social Security discriminatory toward women?

A) As working women are already better paid than are men, they are entitled to only 20% of the total benefits.
B) Working women are entitles to only half the benefits, whereas working men are entitled to the entire set of benefits.
C) Women who have been homemakers are entitled to only half of what their husbands' receive.
D) Women who have been homemakers can receive benefits only after the age of 75, unlike their husbands, whose eligible age is 65.