Which Statement About the Cause of Sexual Dysfunctions Is Accurate

Which statement about the cause of sexual dysfunctions is accurate?

A) Recent studies indicate that biological factors interact with psychological, social, and sociocultural factors to explain sexual disorders.
B) Masters and Johnson tended to deemphasize the importance of psychological factors.
C) Almost all of them are primary forms of the disorders.
D) Recent studies show that biological factors only explain secondary forms of the disorders.