The Scholar Stephen Murray Has Posited the Term "Quasi-Ethnic Group

The scholar Stephen Murray has posited the term "quasi-ethnic group" to describe the homosexual community. Why is might this term be provocative, even for those who agree with him?

A) This point of view suggests that being gay and lesbian is biological in nature.
B) It is indicative the extreme status separation that gays and lesbians face according to Weber.
C) It suggests that gays and lesbians belong to separate castes.
D) Murray, by implication, is saying that gays and lesbians share an ethnicity much the way Blacks, Hispanics, and other minorities do.