Answer:
B) medium-duty
Explanation:
There are 4 different types of trucks that fall under the medium duty classification:
Class truck Duty classification Weight limit
Class 3 Medium truck 10,001–14,000 pounds
Class 4 Medium truck 14,001–16,000 pounds
Class 5 Medium truck 16,001–19,500 pounds
Class 6 Medium truck 19,501–26,000 pounds
Ambulances are also classified according to their total weight: