Which of the Following Is a Possibility in the Context

Which of the following is a possibility in the context of men who have sex with men (MSM) ?

A) MSM may speak out against homosexuality while carrying on secret sexual relationships with male lovers.
B) MSM openly identify as gay or homosexual or LGBTQ.
C) Heterosexuals in some cultures or communities may refer to themselves as being MSM.
D) MSM are heterosexuals,but they live socially as homosexuals and never marry.
E) MSM are transvestites who do not have same-sex attractions.