Direction: Rearrange the following sentences (A), (B), (C), (D), (E), and (F) into a meaningful paragraph and then answer the question given below it.

A. Apart from the presence of this pollutant, last month, as representatives from all over the world concluded their climate summit in Paris, officials in Beijing issued China's "red alerts" for smog.

B. Look at the sky in China and it's easy to think that the apocalypse is now.

C. This north‐eastern city saw the harmful pollutant PM 2.5 at a level 40 times greater than what the World Health Organisation considers safe.

D. The country's dismal air isn't new to those who have to breathe it, or to the international community.

E. But recent reports about the "dooms day” smog in Shenyang were alarming.

F. As a result of this warning schools were closed and drivers were told to stay off the road every other day, depending on whether their license plate ended with an even or odd number.