Muhammad Ali is widely regarded as the greatest boxer(拳击手) of all time. He beat almost every top boxer ________ .

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. Muhammad Ali was put into prison and had to pay a fine of______. A: 1,000 dollars B: 5,000 dollars C: 10,000 dollars D: 11,000 dollars