Write a multi-choice question for the following article: Article: Any introduction to Peking Opera would not be complete without telling of Mei Lanfang. During his stage life, he combined the traditions of the past with his own creations, shaping a style of his own and giving birth to "The Mei Lanfang School". He was also the first artist to introduce Peking Opera to an overseas audience, making it popular to the world. Mei Lanfang began his stage life at the age of 8. His teacher said he showed little hope because of his boring eyes. To improve this, he exercised them day after day. Thanks to his efforts, he managed to change his dull eyes into a pair of bright and expressive eyes and win national fame before the age of 20. In over 50 years on the stage, Mei Lanfang played no less than 100 different characters in the performance. He also wrote many new plays, designing the dances himself. The many dances he created form part of the great treasure that he left to Peking Opera. In 1930, Mei Lanfang started on a successful US tour. There his brilliant performances impressed the audience, making them realize that Peking Opera was a theatrical form of great value.
Question: What is the main idea of the passage?Options:A The history of Peking Opera.B Mei Lanfang's early stage life.C The performance of Peking Opera by Mei Lanfang.D Mei Lanfang's great contributions to Peking Opera.Answer:D