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 was the good news for scientists

A.The underground oil resources have not been affected.
B.Most of the desert animals and plants have managed to survive.
C.The oil lakes soon dried up and stopped evaporating.
D.The underground water resources have not been polluted.