In a Study by Carnagey, Anderson & Bushman (2007), Participants

In a study by Carnagey, Anderson & Bushman (2007) , participants played a violent video game for 20 minutes and then watched a violent film. Compared to participants who did not play the game. They showed:

A) more aggression after the film
B) less aggression after the film
C) their heart rates and galvanic skin responses were lower during the film
D) their heart rates and galvanic skin responses were higher during the film
E) their hearts stopped beating