Which of the Following About the Regulation of Off-Work Acts

Which of the following about the regulation of off-work acts in the U.S. is true?

A) Many states ban discrimination on the basis of weight.
B) Laws that protect employees against discrimination based on marital status exist in just under half of the states.
C) Only a small minority of states protect employees against discrimination on the basis of political involvement.
D) Lifestyle discrimination tends to be lawful if the imposition of the rule treats one protected group differently than another.