Which of the Following Best Explains Why Direct- Response Television

Which of the following best explains why direct- response television commercials have seen an increase in popularity in recent years?

A) Return on advertising investment can be easily measured.
B) It has become simpler to replicate the success of classic direct- response TV ads that introduced items such as the Veg- O- Matic and the Beef Jerky Machine.
C) Consumers are more likely to respond to this type of marketing than to other forms of direct marketing.
D) Traditional broadcast and cable advertising has become prohibitively expensive for many mid- sized companies.
E) The popularity of home shopping channels has lent direct- response commercials more credibility.