A trip to the bookstore with my granddaughter is always a big event. She __36__ in it for hours, touching the books, running her hands over the covers, looking at a few ___37___ here and looking at a few pages there.
I never ___38__ the full importance my five-year-old Grand Angel placed on these trips, until the day I suggested she pick the book she liked best, __39____ we could go home for dinner. Her response（答复） was __40___.
“But Grammy, I ___41___ them all the best. All the covers are be-yoo-tiful and all the pictures are bee-yoo-tiful and they’re all __42___. Just like people. Remember when you told me about people?”
I most certainly __43___ when I told her about people. I had explained that we are all __44___ in our own different way. Each of us has a story to ___45___ and no two stories are similar. We learn by ____46__ our stories and listening to the stories of others. Difference is the thing that makes each and every one of us __47___. I had no idea that she’d connected the lesson with ___48___. Actually, no one book was ___49___ than any other book. They were equally beautiful and equally special(特别的).
With dinner still ___50___ and our stomachs beginning to make noise, ___51___ time was finally at hand. But how to choose? I suddenly ___52___ the right question when I asked, “Which book wants to go home the most with you today?” After a short moment of ___53___, her eyes lit up. She ran to a specific book and ___54___ it from its place on the shelf. The main __55____ was the picture on the cover, a turtle with sad eyes. “We need to find out why the turtle is sad,” she said.

A．reason B．act C．question D．problem