Why Are Sexual-Minority Students Less Likely to Participate in Hookup

Why are sexual-minority students less likely to participate in hookup culture than heterosexual students?

A) Many sexual-minority students are women and they don't prefer to hook up.
B) Because hookup culture is specifically heterosexual.
C) Because sexual-minority students often receive less sexual attention than heterosexual students.
D) Because the sexual script for sexual-minority students is confused.