Leah and Kaitlyn, two college students, are roommates and stay in an apartment. They buy an expensive hair cream and split its cost. Although they say they should save it for special occasions, they each want to make sure they get their fair share of the hair cream before it's gone. Soon, they find that the jar of cream is empty. In the context of social dilemmas, which of the following is most likely experienced by Leah and Kaitlyn in this scenario? A. the Prisoner's Dilemma B. pluralistic ignorance C. the Tragedy of the Commons D. an illusion of transparency