Which of the Following Statements Identifies a Key Advantage of Direct

Which of the following statements identifies a key advantage of direct marketing? Direct marketing:

A) enables salespeople to close a non-refundable sale in the customer's home or place of work.
B) allows firms to expand their markets by selling to both ultimate consumers and other marketing intermediaries.
C) is popular with consumers because it is so convenient to shop from home or work.
D) creates a strong incentive for salespeople to recruit additional salespeople in order to gain the greatest possible market coverage.