In the Classic Study Conducted by Schachter and Singer Supporting

 In the classic study conducted by Schachter and Singer supporting their two-factor model of emotion,participants ____. 

A) who had previously learned about the dangers of sharks were more fearful when they encountered a shark while swimming in the ocean
B) whose spinal cord had been damaged were unable to experience certain emotions
C) who were involved in a dramatic accident tended to feel afraid even before they began to show physiological arousal
D) who were injected with epinephrine, but who were told it would produce no symptoms, tended to take on the emotion of the person they were around