单项选择题

Questions 11 to 13 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.

Which of the following is NOT mentioned in the passage()

A.Some people buy Christmas presents in the sales.
B.Some people shop online during the sales.
C.Some people buy presents for next Christmas.
D.Online retailers offer better post-Christmas sales.