单项选择题

Questions 23 and 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.
Why was the passenger jet forced to land at Halifax, Canada

A. Some passengers would get off the plane in Canada.
B. There was something wrong about the plane and it could not fly again.
C. Because there were criminals on the jet plane.
D. Because it had been thought that the jet had been hi-jacked.