During the Months Prior to the Last Presidential Election,Wynn Spent

During the months prior to the last presidential election,Wynn spent most of his free time at events supporting the republican candidate.He participated in the campaigning,went door to door in support of this candidate,and fully immersed himself in his goal to have the republican candidate elected.The day before the election he told his wife,"I just know that our candidate is going to win.Everyone says they are going to vote for him!" Wynn is very surprised the next day,however,when his candidate loses.Which of the following tendencies explains why Wynn was so sure his candidate would win?

A) The hindsight bias
B) The false consensus effect
C) The A-not-B error
D) The nature/nurture mistake