单项选择题

SECTION C NEWS BROADCAST
Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the following questions.
Now listen to the news.
What did they find out

A.An equatorial belt of faster moving material.
B.The solar sound.
C.A sun orbiting satellite.
D.Another planet.