According to Cognitive Dissonance Theory, Which of the Following Advocates

According to cognitive dissonance theory, which of the following advocates of managed care services for mental health is MOST likely to change his or her attitude?

A) Jeanette, who is paid $1 for arguing against managed care
B) Homer, who is paid $50 for arguing against managed care
C) Belinda, who had to argue against managed care to save her job
D) Brandon, who has worked for a doctor's office for years and regularly calls managed care companies to arrange payments