Select the correct text in the passage.
Which sentence contains evidence for the main idea of the passage?
Junk food ads cause people to eat more junk food. Research shows that some junk food ads target kids. A study from the Public Library of Science showed that ads aimed at kids focused more on the toys that come with junk food than on the food itself. Some fast-food restaurants also make ads connected to TV shows and movies that are popular with children. Ads like these create a demand for junk food among kids. And those kids are likely to continue to eat the same unhealthy foods when they become adults. We can only expect these kinds of ads to stop if governments create strict laws to end them.

A. Junk food ads cause people to eat more junk food.
B. Research shows that some junk food ads target kids.
C. Some fast-food restaurants also make ads connected to TV shows and movies that are popular with children.
D. We can only expect these kinds of ads to stop if governments create strict laws to end them.

From the passage, we are given evidences of the research that actually shows that some junk food ads target kids. The Public Library of Science showed that ads aimed at kids actually focused on toys that come with junk food than on the food itself. The use of TV shows and movies connected to children is another way that fast--food restaurant are targeting kids with their ads.