Which of the Following Is the Best Example of the Promotional

Which of the following is the best example of the promotional objective of combating competitive promotional efforts?

A) Joy advertises that its dish soap has more suds than Dawn, Sunlight, and other leading dish soaps.
B) Joe Boxer and Kmart collaborate to promote Joe Boxer's lines of clothing and housewares.
C) The Pork Council advertises pork as the "other white meat" and a healthier alternative to beef.
D) After Ford promotes the towing capacity of its F-series trucks, DaimlerChrysler soon emphasizes the towing capacity of its Dodge trucks.
E) Hyundai offers 10-year/100,000 mile warranties on its vehicles in order to give customers confidence in its brand name and automotive offerings.