Which of the Following Best Supports the Two-Factor Theory of Emotion

Which of the following best supports the two-factor theory of emotion?

A) After exercising strenuously for thirty minutes, you decide your gym partner looks really good this morning.
B) You're sweating and your heart is racing as you begin a final exam, so you know you're nervous.
C) The fear you feel when you're riding a roller coaster begins at about the same time your heart starts pounding.
D) A loud bang outside your window causes you to jump and become frightened.