Which statement identifies the central idea of the article?
a. "Dias says she couldn't correct with the characters in the books so she couldn't learn lessons from those stories". (paragraph 1)
b. When Dias complained to her mother about her problem, her mother asked her what she was going to do about it." (paragraph 2)
c. Dias has raised almost 4,000 books. Now, she has started talking to teachers and lawmakers about how to include diverse books in schools. (paragraph 3)
d. She will share tips for kids to make changes in their lives and communities and pay it forward about whatever makes your heart sing. (paragraph 5)