The Text Highlighted Several Explanations as to Why There Has

The text highlighted several explanations as to why there has been slow passage of anti-discrimination laws regarding sexual orientation in the United States.Which of the following is an explanation?

A) Legally naming nonheterosexuals as a "protected class" of people in the same vein as members of a particular race or sex is a political hot potato and emotionally charged debate.
B) There is significant disagreement regarding the need for such laws for gay men and lesbian women.
C) The U.S. Supreme Court must rule on any discrimination laws and they have not taken up the case.
D) Gay men already are covered under anti-discrimination law.