单项选择题

Questions 14 to 16 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 the future work planned to do

A.Acquire information from satellites more efficiently.
B.To realize full coverage of area the satellite passes over.
C.Building more ground observation centers.
D.Compare satellites information with those from groun