Ty Pennington, the Popular Host on Extreme Home Makeover, a Television

Ty Pennington, the popular host on Extreme Home Makeover, a television show designed to help a family in need by providing them with a completely new home in a week, has recently become a spokesperson for a drug for people who have been diagnosed as ADHD. The newspaper, magazine, and Web articles about Pennington's problems with ADHD and his gratitude to the makers of this medicine are examples of:

A) publicity.
B) personal selling.
C) sales promotion.
D) an infomercial.
E) advertising.