A、B、C三个选项中，选出可以填入空白处的最佳选项。
Tony is a little boy. One day, he told a 1 to his mother. That night he felt very upset and unhappy. He did not go out to play with his friends.
He sat on the doorstep with his head down. When he 2 in the sky, the moon was still big, round and bright. But it didn't smile at him as usual, it was laughing at him. Tony thought the moon must know about his lie. He was so scared. He ran along the street to get away from it, but the moon kept 3 him. Finally, he rushed into the house and went to bed. The moon looked at him 4 the window. Tony pulled the quilt to cover his head, but he could not fall asleep. Then he hid under the bed and started thinking about the lie over and over again.
At last, he told his 5 all about it and promised her that he would never tell a lie. He went to bed again and fell asleep soon. The moon nodded to him with a big smile in his dream.
