Urban Researcher Richard Florida Found a Large Gay Population to Be

Urban researcher Richard Florida found a large gay population to be the leading indicator of high-tech success in major cities. What might explain this finding?

A) Gay households tend to have the spending power of two earners without the expense of children.
B) The presence of gays is a sign of diverse and tolerant city culture.
C) This was not his finding. Richard Florida found that a city's proximity to a natural body of water was the leading indicator of high-tech success.
D) Both a and b, but not c
E) None of the above