People Often Estimate How a Particular Decision Will Affect Them

People often estimate how a particular decision will affect them in the future. Which of the following is MOST likely to be true regarding people's ability to predict their own values?

A) People tend to underestimate how much they'll regret a decision later on.
B) People tend to overestimate their ability to adapt to new situations.
C) People tend to underestimate their ability to adapt to new situations.
D) People are often sure that their decisions are correct and so tend not to take steps to preserve their flexibility or options in the future.