Freight Carriers Are Classified as Common Carriers,contract Carriers,and Private Carriers

Freight carriers are classified as common carriers,contract carriers,and private carriers.Which of the transactions below was completed using a contract carrier? ​

A) ​An artisan sells her wares online and ships them via a for-hire carrier.
B) ​A food manufacturing company ships snacks, soft drinks, and bottled water to convenience stores.
C) ​A company ships merchandise from its warehouses to its retail outlets nationwide in its own fleet of trucks.
D) ​A motor carrier transports automobiles in intrastate, interstate, and foreign commerce.
E) ​A major appliance retailer delivers a refrigerator, range, and microwave oven suite to a customer's home.