Which of the Following Statements About the Importance of Direct

Which of the following statements about the importance of direct marketing to integrated marketing communications is true?

A) People enjoy thinking of themselves as part of a giant database.
B) Direct marketing's growth is closely related to the growth of mass-market audiences.
C) By providing a tangible response, direct marketing offers accountability.
D) Direct marketing's universality prohibits a direct marketing campaign from being kept secret from the competition.
E) Direct marketing campaigns will not be successful if aimed at time-sensitive consumers.