Jose asked his neighbor, Martina, to go to the store in Jose's car and pick up some bread. While on the way to the grocery store, Martina had an accident causing bodily injury and property damage to another party. Martina had acted as Jose's agent. This scenario can best be described as an example of 

A. The family purpose doctrine.

B. Contributory negligence.

C. Strict liability.

D. Vicarious liability