Which of the Following Statements About the Characteristics of the Elements

Which of the following statements about the characteristics of the elements in the promotional mix is true?

A) The speed of feedback is delayed in sales promotion,advertising,and personal selling.
B) Message flexibility is greatest with advertising.
C) The message flow is two-way in public relations,sales promotions,and personal selling.
D) The most feedback is available with personal selling.
E) The sponsor is identified in public relations,advertising,and personal selling.