Schwan's Sales Enterprises of Marshall, Minnesota, Markets a Full Line

Schwan's Sales Enterprises of Marshall, Minnesota, markets a full line of frozen foods in 49 states and parts of Canada using door-to-door salespeople who sell from its refrigerated trucks. This particular method of distribution is referred to as

A) an indirect channel.
B) a direct channel.
C) a facilitated channel.
D) a customer-service channel.
E) a truck-jobber channel.