Donnie was on the verge of experiencing road rage. The teenagers in front of him were reckless and disrespectful. Suddenly he realized that one of the boys was his brother and he began to laugh. Donnie's emotional response is best explained by:

A. the James-Lange Theory of emotion.
B. the Cannon-bard Theory of emotion.
C. the Schachter-Singer Theory of emotion.
D. the Affiliation Theory of emotion.

C