Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. Which of the following details about the river is CORRECT
A.600 kilometers of it are in critical condition. B.30% of it is seriously polluted. C.It provides 35% of China’ s total water resources. D.35% of its major tributaries are in danger of pollution.