What is the author's attitude in paragraph 3? concerned

* Hướng dẫn giải

Chọn A

Thái độ của tác giả ở đoạn 3 là gì?

  A. lo lắng                                                   

B. mang tính chất thanh minh, giải thích

  C. phẫn nộ, tức giận                                  

D. đa cảm, giàu cảm xúc

In what concerns the environment, water will have become one of our most serious problems. In many places, agriculture is changing and farmers are growing fruit and vegetables to export. This uses a lot of water. Demand for water will increase ten times between now and 2050 and there could be serious shortages. Some futurologists predict that water could be the cause of war if we don't act now