Cahill disagrees with MacKinnon. The problem with MacKinnon's approach, according to Cahill, is that MacKinnon's view does not distinguish between normal heterosexual encounters.

a. Cahill disagrees with MacKinnon
b. The problem with MacKinnon's approach, according to Cahill
c. MacKinnon's view does not distinguish between normal heterosexual encounters
d. None of the above