Jin's teacher discovers that he cheated on his exam. She produces evidence of the cheating to Jin and says, “If you take responsibility for this, I will only give you a failing grade for the test.” Jin admits to cheating but then proceeds to make several excuses for his behavior. At one point, he even blames his teacher for not giving the class enough time to study. Finally, he begs for the teacher's forgiveness. To avoid failing the class, Jin should have ____________.