Candi Is on a Diet; She Wants to Lose Five

Candi is on a diet; she wants to lose five pounds. She is at a friend's house baking chocolate chip cookies. Before she went to her friend's house, she drank several glasses of water to make her feel full and avoid the temptation to eat cookies. In this example, Candi appears to

A) show a lot of willpower.
B) have exerted self-control.
C) have given in to the temptation to eat some cookies.
D) have preferred short-term over long-term rewards.
E) none of the above