Which of the following best demonstrates the problem of moral hazard ?

Which of the following best demonstrates the problem of moral hazard ?

A. Josephine doesn’t buy health insurance because it is too expensive, and she is healthy
B. A life insurance company forces Enzo to have a medical examination prior to selling him insurance
C. Enzo drives more recklessly after he buys car insurance
D. Fatima chooses to attend a well-respected college