听下面一段材料,回答第1至3题。 1. Why couldn't the boy speak at first? [ ] A. Because something was wrong with him. B. Because he wouldn't talk with strangers. C. Because he was too hungry to speak. 2. Where is the boy from? [ ] A. He's from San Francisco. B. He's from Florida. C. He's from New York. 3. What was the boy going to do? [ ] A. He was going to find some food. B. He was going to visit his grandpa. C. He was going to clean the plate.