Which of the Following Scenarios Best Exemplifies Negative Reinforcement in Operant

Multiple Choice

Which of the following scenarios best exemplifies negative reinforcement in operant conditioning?

A) Tom wakes up just before the alarm clock goes off every morning so that he can avoid having to hear the alarm go off.
B) Dennis buys himself a new game because he gets a "B" on a difficult exam.
C) Miranda treats herself to a massage on her birthday.
D) Sheila goes to sleep early on a night before a test because she knows that this will help her get better grades.