Which Theory Is Best for Studying Human Sexuality

Which theory is best for studying human sexuality?

A) Sociobiology is grounded in empirical evidence and therefore provides the best insight into human sexual behaviour.
B) Human sexuality is complex and no one theory can capture all aspects.
C) Social constructionist views can predict human behaviour based on cultural norms and therefore offer the best scientific theory.
D) Evolutionary psychology has been proven to be the best theoretical orientation for capturing the wide range of sexual expression among humans.