单项选择题

Questions 9 and 10 are based on the following news item. At the end of the news item, you will be given 10 seconds to answer each question.
Now listen to the news.
What is the reason of the decline of the number of the wild horses

A.Climate change and human activities.
B.The hunting and culling.
C.Farming and industrializing.
D.Mass killing caused by peopl