Which of the following are forms of direct selling?
A. Repetitive person-to-person selling, non-repetitive person-to-person selling, and party plans
B. Home shopping, out-of-home shopping, vending, and manufacturers' agents
C. Party plans, out-of-home shopping, and non-repetitive person-to-person selling
D. Manufacturers' sales representatives, party plans, and non-repetitive person-to-person selling
E. Brokers, manufacturers' agents, party plans, and professional sales
Answer: A