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.

What is public health experts’ attitude toward Eclipse

A.They welcome the new product.
B.They think it needs improving.
C.They are doubtful about the claim.
D.They say it is unbelievable.