Luck Says That One Problem with the Claim That Virtual

Luck says that one problem with the claim that virtual pedophilia increases the likelihood of actual pedophilia, but virtual murder doesn't increase the likelihood of actual murder, is that ________:

A) There aren't enough pedophiles to make such assessments
B) It would be wrong to conduct research on what increases the likelihood of actual pedophilia
C) Virtual pedophilia might actually decrease the likelihood of actual pedophilia in some cases
D) There is a strong correlation between virtual murders and actual murders
E) There aren't enough people who play games featuring virtual pedophilia to know if this is true