Brittany is reading Wonder with her class.

I walked toward Jack and followed him out of the auditorium. He held the double doors open for me, and as I passed by, he looked at me right in the face, kind of daring me to look back at him, which I did. Then I actually smiled. I don't know. Sometimes when I have the feeling like I'm almost crying, it can turn into an almost-laughing feeling. And that must have been the feeling I was having then, because I smiled, almost like I was going to giggle.

She is not sure that she understands the last two sentences.

Brittany should

read the next paragraph.
reread the whole paragraph.
predict what comes next.
read the book from the beginning.