从方框中选择合适的词或短语补全短文。

A. wrote     B. born     C. taught     D. became     E. studied

Confucius was a great teacher in China. He is famous all over the world. He was  in Qufu. As a child, his father died（去世）. His mother him a lot. He very hard. He a good teacher when he was thirty years old. He had more than three thousand students in his life. His students lots of books about his ideas.