单项选择题

You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to check your answer. You will hear each piece ONLY ONCE.
Questions 11-13 are based on the following talk about the Dragon Boat Festival. You now have 15 seconds to read Questions 11-13. Why are dragon boat races more popular in the south

A. Because Qu Yuan was born in the south.
B. Because Qu Yuan threw himself into a river in the south.
C. Because there are more rivers and lakes in the south.
D. Because it is too cold in the north.