Which of the Following Statements Is True of the Organizational

Which of the following statements is true of the organizational buyer category of producers?

A) Producers constitute the smallest segment of organizational buyers.
B) The primary function of producers is to purchase products from manufacturers and distribute them to consumers and other organizational buyers.
C) Producers of goods tend to be larger and more geographically concentrated than producers of services.
D) Producers are the only class of buyers who are excluded from the purview of business-to-business marketing.