单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.

What can we know about the 1920 Olympic Games

A.It was held in Melbourne, Australia.
B.The Olympic Oath was not recited then.
C.There was torch relay in the opening ceremony.
D.The Olympic Flag was flown for the first time.