A recent air quality study conducted by the World Health Organization showed that 7 of 10 of the world's most polluted cities are in China. What is the MOST LIKELY effect of such pollution on the people of China? A. The Chinese population is moving from urban to rural areas to escape the pollution.

B. The Chinese government is cooperating with the United Nations to solve the pollution problem.

C. The water sources of the nation are being severely damaged as a result of the air pollution.

D. Respiratory and heart disease related to air pollution are the leading causes of death in China.