On What Basis Has the 1986 Attorney General's Commission on Pornography

On what basis has the 1986 Attorney General's Commission on Pornography been criticized?

A) It did not divide pornography by different categories.
B) In analyzing the findings, they did not separate sexual offenders from non-sexual offenders.
C) It relied on testimony from experts and laypersons who mostly supported restricting or eliminating sexually graphic materials.
D) They started out with the bias that pornographic materials are not harmful.