Recurrent sexually arousing fantasies and behaviors involving nonhuman objects is an indication of a(n)

A) refractory period.
B) sexual dysfunction.
C) erectile disorder.
D) paraphilia.

Recurrent sexually arousing fantasies and behaviors involving nonhuman objects are a hallmark symptom of paraphilias. A paraphilia is a sexual disorder characterized by intense and persistent sexual arousal to atypical or nonhuman stimuli, which can cause significant distress or impairment in social, occupational, or other areas of functioning. Other examples of paraphilias include exhibitionism, voyeurism, fetishism, and pedophilia.