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

Why do the scientists want to organize an expedition to the mountain

A.Because they have seen the satellite image of Noah’s ark.
B.Because some of them have already been to the mountain.
C.Because they have found traces of the ark.
D.Because they believe that they have identified the wood structure of the ark.