What Have Archival Analyses of Sexually Explicit Materials Revealed About

What have archival analyses of sexually explicit materials revealed about the pornography/violence question?

A) Aggression against women is a major theme in some of these explicit materials.
B) Sexually explicit materials are more likely to contain bondage than to contain consensual sex.
C) Men are largely absent in these sexually explicit publications.
D) Men who read sexually explicit books and magazines are likely to engage in violent acts against women.