The Kind of Advertising Direct Marketers Use Is Called Direct-Response

The kind of advertising direct marketers use is called direct-response advertising.This is because:

A) it is restricted to direct-mail advertising.
B) responses from prospective customers cannot be tallied.
C) advertising is limited to requests for information.
D) it allows manufacturers to make trade deals directly with retailers.
E) direct marketing efforts are aimed at stimulating action from the customer.