Malvine Has Always Campaigned for Clean Air and Water,often Doorbelling

Malvine has always campaigned for clean air and water,often doorbelling for candidates running for political office on a clean environment platform.She is dismayed to learn that her favourite restaurant is polluting the fresh water stream that runs behind it but she continues to eat lunch there twice a week.She later cancels her membership in an environmental group,saying that the group is too radical.Which of the following psychological processes is evident here?

A) fundamental attribution error
B) cognitive dissonance
C) self-fulfilling prophecy
D) self-serving bias