For Days, Dianne Had Been Trying to Think of a Way

Multiple Choice

For days, Dianne had been trying to think of a way to approach her parents about her desire to transfer to a new college. While watching a TV commercial about vacation areas, Dianne suddenly looked at her problem from a new perspective and thought of a solution. Dianne's behavior BEST illustrates _____.

A) a release from interference
B) use of the availability heuristic
C) a shift to conjunctive thinking
D) the occurrence of insight