Which of the Following Statements Is True of Marketing Communication

Which of the following statements is true of marketing communication?

A) Word of mouth spreads fastest through traditional print media.
B) Word of mouth is marketer-controlled.
C) Word of mouth seems less credible to consumers than messages directly controlled by marketers.
D) Sales promotions include premiums, contests, sweepstakes, free samples, coupons, and rebates.
E) A perceptual map measures consumers' physiological and neurological responses to marketing communications.