Which of the Following Statements About Sales Success Is True

Which of the following statements about sales success is true?

A) Successful salespeople often can avoid providing service to customers if they present a "nice guy" image.
B) For success in sales, it is more important to speak well than to listen well.
C) A successful salesperson may either be enthusiastic or knowledgeable, these characteristics are perfectly interchangeable.
D) Successful salespeople place a high value on their time.
E) Asking questions and monopolizing the conversation are traits of an effective salesperson.