Mass Media Has Dramatically Changed Attitudes Toward Smoking Because It

Mass media has dramatically changed attitudes toward smoking because it:

A) provides information to smokers about health effects, although it has little effect on their habit.
B) promotes smoking as a habit adopted by people from high-class societies.
C) promotes antismoking attitudes which seem to have a great impact on the society.
D) provides information about health habits that discourage nonsmokers from beginning smoking.