"I Like Sex,but Not Enough to Die for It," Says

"I like sex,but not enough to die for it," says a young woman in an ad designed to persuade people to use condoms if they are sexually active.Why might this approach be ineffective?

A) If people are in a bad mood when they see the ad, they won't pay attention.
B) If people are sexually active, the ad will be low in personal relevance.
C) If people are too frightened, they won't think rationally about the issue.
D) If people are not sexually active, they will think the ad does not directly apply to them.
E) If people are not sexually active, the ad will put them in a bad mood.