The Development of Effective Biological Treatments for Female Sexual Dysfunction

The development of effective biological treatments for female sexual dysfunction has lagged behind the development of biological treatments for male sexual dysfunction. Some have speculated this is because

A) pharmaceutical companies believe there would only be a small market for female sexual dysfunction drugs.
B) sexual dysfunction is less common among women.
C) female sexual response is more directly tied to psychosocial issues.
D) women's reproductive systems are more complex than men's.