Concept:Accident insurance covers financial loss or damage caused by unexpected accidents, including motor vehicle accidents.
Explanation:A new car is mainly exposed to accidental damage such as collision, impact, or overturning.
Accident insurance compensates the owner for such accidental losses or injuries.
Fire insurance only covers loss caused by fire, not general accident damage.
Marine insurance applies to ships and sea cargo, not land vehicles.
Fidelity guarantee insurance protects against employee dishonesty, which is irrelevant to car ownership.
Therefore, the best policy to cover a newly bought car is accident insurance.
Answer:A. Accident Insurance