This Topic Sentence for an Illustration Paragraph Is Followed by Several

This topic sentence for an illustration paragraph is followed by several examples. Select the letter of the example that does not clearly illustrate the topic sentence.
-Many schools today allow advertisers to address a captive audience of students in several ways.

A) Some schools sell ad space for brand-name products in hallways, on the sides of school buses, or on bathroom walls.
B) Some teachers use free lessons prepared by manufacturers; the Procter & Gamble Company, for example, gives teachers an oral hygiene lesson complete with free samples of its Crest toothpaste.
C) The television sit-coms that are popular entertainment with young people bombard them with about eight minutes' worth of commercial advertisements during a thirty-minute show.
D) Math textbooks influence kids' buying behavior by mentioning products like Burger King Whoppers and Nike shoes in the problems students are given to solve.