A boy and his father are in a car crash. The father is killed, and the boy is rushed to the hospital. At the hospital, the doctor says, "I cannot operate on this boy. He's my son!" How is this possible? If a person thinks about this problem without using a particular method, and the answer just comes to them after a period of time, the person solved this problem with

• A. a representative heuristic.
• B. means-end analysis.
• C. insight.
• D. an algorithm.