The Newest Game Show Has Contestants Earning Points Based on the Difficulty

The newest game show has contestants earning points based on the difficulty level of the questions.Answering a difficult question correctly earns the most points,but missing the difficult questions takes away the most points from the team score.There are three levels of question categories: difficult,moderate,and easy.Zoey,the first contestant,is not very bright and her team knows she is very anxious and afraid of failing,so they are surprised when Zoey chooses the difficult category.In fact,research would have predicted this because:

A) success would unexpected therefore the anxiety was decreased
B) success would be expected therefore the anxiety was decreased
C) success is uncertain therefore anxiety is reduced
D) success would be unexpected therefore increasing anxiety