Howard Leventhal and His Colleagues (Leventhal,Watts,& Pagano,1967)showed Some Smokers a Graphic

Howard Leventhal and his colleagues (Leventhal,Watts,& Pagano,1967) showed some smokers a graphic film about lung cancer and gave them a pamphlet with instructions on how to quit.Other smokers received either the pamphlet alone or watched only the film.After three months,those smokers who received only the pamphlet with instructions were smoking significantly more than those who both saw the film and received the pamphlet.Why?

A) Fear, like other negative moods, encourages people to pay attention to the message.
B) Fear cannot produce attitude change.
C) Information alone is not sufficient if people are not motivated to use it.
D) The pamphlet did not induce enough fear.
E) A message must be relevant to people if they are to pay attention to it.