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.
What’s really happened to the passenger jet

A.The jet was intercepted by US air force.
B.The plane’s transponder had malfunctioned and was mistakenly transmitting code.
C.The pilots of the jet repeatedly radioed in to tell controllers they were hijacked.
D.The armed police arrested several criminals in the jet.