Questions 21 and 22 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Which of the following is INCORRECT
A．It was for the first time that the opponents forced him to step down. B．Mr. Kan was the fifth prime minister in five years. C．Mr. Kan left a weakened figure by the rebellion. D．He would step down when the crises were under control.