Which of the Following BEST Characterizes the Difference Between the Roles

Which of the following BEST characterizes the difference between the roles of advertising and personal selling in the promotional mix of a firm?

A) Advertising is, at its worst, very expensive with little return, whereas personal selling is also very expensive, at its worst, but with better returns.
B) Advertising, at its best, targets a specific audience about a product, whereas personal selling, at its best, is always dependent on the clients that a seller has.
C) Advertising involves public relations with the overall population of consumers, whereas personal selling involves personalized relationships with select individuals.
D) Advertising is a relatively new method of promotion, whereas personal selling is the oldest method of promotion.
E) Advertising is nonpersonal in its communication about a product, whereas personal selling is highly individualized.