通读下面的短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出一个最佳选项。
Thanksgiving Day was coming. A teacher gave her class an interesting task—to draw a picture of something to express their 1.
The teacher thought most of her 2 would draw turkey or some other traditional food of the festival. And so they did. But Douglas made a 3 kind of picture.
Douglas was a child of unhappiness. 4 other children played together, Douglas always stood close by his teacher's side.
His picture was special. When he was asked to draw a picture of something for which he was thankful, he drew a hand! 5 else. Just an empty hand.
His work caught the attention of his classmates. Whose hand could it be? Scone guessed it was the hand of a farmer, because farmers raised turkeys, others guessed it was the hand of God, because God helped everyone. The discussions 6, and they even forgot to ask the artist himself.
When the discussion stopped, the teacher asked Douglas whose hand it was. The little boy said in a low voice, "It's 7, teacher."
She got surprised at his words. Then she 8 that she often took his hand. Sometimes she said, "Douglas, take my hand, we'll go outside." Sometimes she said, "Let me show you how to hold your pencil." And she 9 said, "Let's do this together."
Her eyes were full of tears. She had done these to all her students. She didn't know these were so 10 to him. She hugged Douglas and decided to give him more love.
