Which One of the Following Best Illustrates Self-Imposed Contingencies

Multiple Choice

Which one of the following best illustrates self-imposed contingencies?

A) Jeanne allows herself t.v.time after completing her math problems.
B) Stephane sets his own goals and objectives.
C) Maria's mother allows her 30 minutes to play video games when she gets a B or higher in spelling.
D) Jules looks in the mirror each morning and says to himself, " I am a good student."