—You look so worried what’s wrong?—More and more people like me become to worry about the

问题补充：

—You look so worried, what’s wrong?

—More and more people like me become to worry about the pollution after the haze (雾霾) appeared in Beijing and some other cities in China.

A. water

B. air

C. noise

D. Soil

答案：

A. water

(答案→)B. air

C. noise

D. Soil

解析：water水;air空气;noise 噪音;Soil土地;句意；你看上去很着急，怎么了？——在雾霾出现在北京和中国其它城市后，越来越多像我这样的人变得为空气污染担心起来。结合语境可知选B。