单项选择题
Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.Now, listen to the passage.
Which of the following statements is NOT true（）
A．The first cheerleader was a man named John Campbell.
B．Cheerleaders’ contests are only held at the state level.
C．Before 1930 there were no women cheerleaders.
D．The first cheerleading occurred in 1898.