阅读下面短文，掌握其大意，然后从A、B、C、D四个选项中选出可以填入空白处的最佳答案。
Ronny looked like every other kid in the classroom where I volunteered as the Reading Mom. However, he had a speech problem so he couldn't 1 like other kids in his grade.
I worked with all the students in Ronny's class one by one to improve their reading skills. On the days when it was Ronny's 2, I'd give him a silent smile, that's why he sat very close to me and opened the book as if he was opening a treasure that 3 had ever seen.
I watched his fingers move 4 under each letter as he struggled* to read out. Every time he 5 to read a word with a strange pronunciation, the biggest smile would spread across his face and his 6 would shine with pride, which broke my heart each and every time.
A few weeks 7 the school year ended, I held an awards ceremony*. I presented Ronny with a book written by 8. A few days later, I returned to the school to visit. I 9 Ronny on a chair near the playground, the book open in his lap. His head teacher said, “ He hasn't 10 that book since you gave it to him. Do you know that's his first book he's ever actually owned?”
Deeply moved, I walked 11 Ronny, placed my hand on his shoulder and asked, “Will you read me your book, Ronny?” For the next few minutes, he read to me more 12 than I'd ever thought possible from him. The pages were already dog-eared, like the book had been read 13 times already. When he finished reading, Ronny closed his book and said with great satisfaction, “ 14 good book!"
At that moment,as a writer, I knew I would get 15 about my own writing and do what that writer had done, and probably still does — care enough to write a story that changes a child's life, care enough to make a difference.
