Answer: A. They show that Iranian children living in poverty had to work.
Explanation: In the given page we can see the story of how Marjane realizes the existing differences in social classes while going to a book-signing of her favorite author. The middle row of panels help develop this central idea by showing that Iranian children living in poverty had to work, this helped Marjane to realize how lucky she is to have what she have, and also to feel ashamed of the existence of such social differences.
