Which of the following best describes a central idea of the text "When good people do bad things?"
A. Mob mentality only overtakes those who do not have a strong sense of self.
B. Recent studies have shown that groups create a false sense of purpose and drive.
C. Group inclusion can cause people to lose a sense of their morals and become more likely to do wrong.
D. People can overcome their instincts to do harm to outsiders if they are reminded of the effects of mob mentality.