Ted is writing an essay on how to use polite manners when watching a movie in a theater audience. Which paragraph topic would be the MOST relevant and easiest to add to his essay?

A) rules for how a ringing cell phone should be handled during a movie
B) which food and drink items are the most expensive at the movie theater
C) advice for how to beat all the video games in the theater's small arcade
D) a list of movie ratings and what each one means for parents of small children