完形填空。完型填空。阅读下面短文,掌握其大意,然后从以下题所给的A、B、C、D四个选项中,选出最佳选项。
Charlie came from a poor village. His parents had __1__ money to send him to school when he was young. The boy was very sad. Mr. King lived next to him. He found the boy __2__ and had pity on him and lent some money to him. So the boy could go to school. He studied hard and __3__ all his lessons. When he finished middle school, the man introduced him to his friend in the town. And he began to work.