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 50 countries, including the United States door-to-door salespeople who sell from refrigerated trucks.This particular method of distribution is referred to as a(n)

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