Which of the Following Statements About the Importance of Salespeople

Which of the following statements about the importance of salespeople and selling is true?

A) Salespeople are responsible for the success of new products, but have little to do with keeping existing products in the marketplace.
B) Salespeople are responsible for keeping existing products in the marketplace, but have little to do with the success of new products.
C) The term selling and marketing should be used interchangeably.
D) Salespeople have a direct impact on the successful operation of most businesses.
E) Only the legal profession generates more revenue in our economy than the selling profession.