Which of the Following Characteristics Distinguishes a Door-To-Door Salesperson from a Telemarketer

Which of the following characteristics distinguishes a door-to-door salesperson from a telemarketer?

A) Licensing requirements for telemarketers are regulated by anticompetition legislation.
B) Consumer protection legislation requires individual licenses for each telemarketer.
C) Licensing requirements for door-to-door selling are regulated by consumer protection legislation.
D) Anticompetition legislation requires licensing of door-to-door sales forces.