Ms. Smythe keeps Eric after school whenever he swears in class. Even though Eric has been kept afterschool each day for the past three weeks, his swearing has increased rather than decreased. Given what we knowabout the effects of punishment on behavior, Ms. Smythe should probably conclude that:

A. Her punishment is only temporarily suppressing Eric’s swearing.
B. The punishment is too severe.
C. Eric’s swearing will decrease eventually.
D. Staying after school is reinforcing for Eric.