What group does Anthony Falzerano, who was once homosexual but then became a heterosexual, got married, and had two children, identify as one of the greatest threats to the gay movement

Right-wing parties with religious bases.

Explanation:

Anthony Falzerano was a very controversial figure, not only for defining himself as an ex-gay, but for providing very bad statements about the LGBT movement and the people who are part of that movement. He claimed that religion should be the salvation of these people, because when they claimed to be homosexuals, they were serving Satan.

Falzerano, spent some time in support of right-wing political movements based on radical religiosity and believed that they were the greatest threat to the LGBT movement.

the 2nd option is the answer