Tim Has a Strong Negative Attitude Toward Nuclear Power; Sarah

Tim has a strong negative attitude toward nuclear power; Sarah dislikes nuclear power too,but has a much weaker attitude,One day,both get asked to donate to a campaign against nuclear power,According Holland,Verplanken,and Ad van Knippenberg (2002) ,what should be the effect of this behavior?

A) Tim's behavior won't change his attitude,while Sarah's attitude will depend on how much she donates,
B) Tim and Sarah will both change their attitudes to be consistent with the amount that they donate,in order to reduce dissonance,
C) Tim will base his donations on his prior attitude,while Sarah will not donate and will therefore become more negative toward nuclear power,
D) Tim and Sarah will both maintain their prior attitudes,because negative attitudes resist change even when they are weak