What Is a Major Lesson That We Can Learn from Examining

What is a major lesson that we can learn from examining sexual behaviour in other cultures?

A) All societies regulate the sexual behaviour of women in some way,but not that of men.
B) Learning is the biggest determinant of human sexual behaviour.
C) Realizing for the most part that there is relatively little variation across societies in human sexual behaviour which demonstrates the key importance of instinct and drive in human sexual behaviour.
D) Evidence from other societies and cultures,show that we differ significantly from other species of mammals.