What Was a Main Contribution of Classical Greek Culture Toward

What was a main contribution of classical Greek culture toward sexuality in Western history?

A) It was the first civilization to have accounts of erotic writings, art, and carvings.
B) It was the first civilization to allow women more freedom of sexual expression.
C) It was one of the few major civilizations to approve of sexual relations with family members.
D) It was one of the few major civilizations to successfully institutionalize homosexuality.