Not All Attempts to Reduce Cognitive Dissonance Are Counterproductive

Not all attempts to reduce cognitive dissonance are counterproductive.For example,Shelley Taylor and her colleagues (1989,1995,1996) have found that

A) people who harbor unrealistic illusions about surviving terminal illness can actually live longer.
B) smokers who reduce cognitive dissonance by changing one of their inconsistent cognitions are often able to quit.
C) inconsistent cognitions can actually cause people to engage in safe sex practices.
D) people who hold self-serving cognitions seldom experience cognitive dissonance.