PART B: Which sentence best supports the answer to Part A? Celeste’s heart

A "But two breaks passed, and the bell rang four times before they were allowed back into the classroom." (Paragraph 2)

B "She sat down and hugged him for a while, as she used to do every time she realized how little he was how little he knew." (Paragraph 4)

C "And then he smiled and signed the book without saying anything." (Paragraph 9)

D "the heart grows when one does something one hasn't done before(Paragraph 10)