The Authors of Your Text Present a Study by Egan

The authors of your text present a study by Egan and his colleagues in which monkeys were given a choice between different colors of M&Ms- later,their preference for different colors of M&Ms was re-assessed. The researchers found that the monkeys

A) later preferred the choice they had originally disliked.
B) reduced their liking for the colors of M&Ms they hadn't chosen.
C) reduced their liking for the colors of M&Ms they had chosen.
D) only experienced dissonance when they had observed it in other monkeys.