John Is Trying to Decide Between Two Universities

John is trying to decide between two universities. According to research, John would be happier with his decision if he did the following:

A) thought long and hard about his decision.
B) weighed all of the pros and cons of his two choices before making his decision.
C) spent time talking with his friends and family about the pros and cons of the two choices before making his decision.
D) made his decision based on his gut feelings about each university.