Feeling Good Often Leads to Doing Good or Increased Helping

Feeling good often leads to doing good or increased helping behavior because

A) people want to maintain their good mood.
B) people in a good mood have a higher level of mental arousal.
C) people in a good mood are more likely to avoid pluralistic ignorance and notice an individual in need of help.
D) there is a positive correlation between good mood and an altruistic personality.