A Man Who Has Difficulty Maintaining an Erection or a Woman

A man who has difficulty maintaining an erection or a woman who has difficulty lubricating or becoming aroused may have what is called ______________, which is caused ________________.

A) sexual inhibition; primarily by psychological factors such as performance anxiety
B) sexual dysfunction; by a multitude of biological, environmental, and psychological factors
C) sexual deficiency; by a multitude of biological, environmental, and psychological factors
D) sexual dysfunction; primarily by psychological factors such as performance anxiety