阅读理解。 Jim, a successful businessman, told the experience of his childhood. When he was 12, his parents died. He was alone and didn't get on well with others. People always laughed at him. No one showed kindness to him. His only friend was a dog named Tiger. He gave his dog enough to eat and drink, but sometimes he was not polite to it. He didn't know that an unkind word sometimes could cut one's heart like a knife. One day as he walked down the street, a young lady was walking in front of him. Suddenly one of her bags dropped from her arms. As she stopped to pick it up, she dropped other bags. He came to help her. 'Thank you, dear! You are a nice little boy!' she said kindly, smiling. A special feeling came to him. These were the first kind words he had ever heard. He watched her until she went far away, and then he whistled (吹口哨) to his dog and went directly to the river nearby. 'Thank you, dear! You are a nice little boy!' he repeated (重复) the woman's words. Then in a low voice he said them to his dog! Tiger raised its ears as if it understood. 'Unum! Even a dog likes it!' he said, 'Well, Tiger, I won't say unkind words to you any more.' Tiger waved its tail happily. The boy thought and thought. Finally he looked at himself in the river. He saw a clean nice boy. He was amazed (惊奇). From then on, he had a new life. After telling this, the businessman stopped for a while, and then he said, 'Ladies and gentlemen, this is the very place where that kind woman planted in me the first seed (种子) of kindness. All of us should learn about kindness. What a great power (力量) it has!' 1. The boy repeated the words 'Thank you, dear! You are a nice little boy!', because ____. [     ] A. he was thinking about the words B. he didn't understand the words C. he wanted to talk to his dog D. he liked talking to himself 2. What made the boy start his new life? [     ] A. The people laughing at him. B. The hard life. C. The kind words spoken to him. D. His lovely dog. 3. Which of the following is right according to the passage? [     ] A. He never took good care of his friend, Tiger. B. He usually had many friends around him. C. He helped a young lady when her bag dropped. D. He often washed his dirty face in the lake. 4. What may be the best title (题目) of this passage? [     ] A. A Dog and a Boy B. A Poor Boy's Childhood C. A Businessman and a Boy D. The Power of Kindness