The Data Supporting the Profile of the Typical Exhibitionist Is

The data supporting the profile of the typical exhibitionist is problematic because ​

A) there are so many available studies, it is difficult to draw overall conclusions.
B) most of the available data is on females, which does not provide insight into the motivations of male exhibitionists.
C) there is no clear line establishing acceptable exhibitionism from unacceptable exhibitionism.
D) most of the studies on exhibitionism are based on arrested offenders.