Psychodynamic Treatments of People with Paraphilic Disorders ________ in Repeated,controlled

Psychodynamic treatments of people with paraphilic disorders ________ in repeated,controlled experiments.

A) have not been shown to be effective
B) have been shown to be effective in treating a few,but not most,paraphilic disorders.
C) have been shown to be effective in treating most,but not all,paraphilic disorders.
D) have been shown to be effective in treating virtually all paraphilic disorders.