听对话,回答1-3题。 1. What does Jack design a uniform for? A. He wants to sell it. B. He designs it for the sellers. C. He designs it only for himself. 2. What does Jack's company make? A. Clothes. B. Bags. C. Socks. 3. Who does the charity sale want to help? A. The elderly. B. The deaf. C. The poor.