In an article in the Quarterly Journal of Economics, Ted O'Donoghue and Matthew Rabin make the following

Fantastic news! We've Found the answer you've been seeking!

Question:

In an article in the Quarterly Journal of Economics, Ted O'Donoghue and Matthew Rabin make the following observation:
"People have self-control problems caused by a tendency to pursue immediate gratification in a way that their 'long-run selves' do not appreciate."

Which of the following is an example of pursuing a goal which is in a person's long-term interest?

a). Eating donuts instead of sticking to a healthy diet.
b). Succeeding in school.
c). Spending more money than you earn.
d). Going to the movies instead of studying.