The best option for this question that which word is representing the subject is A) "it". The reason you can easily found but you have to understand it carefully and I hope my answer satisfied you:)
The answer is A- By expressing the silence of the desert and contrasting the noise in town, the passage highlights the tranquility of the desert.
I just took the test it is correct.
Answer:
Publisher's summary After joining BetterLife, an online community, to try to stop a case of cyberbullying from the inside, the bullies turned on me. And now I'm close to revealing their true identities in real, off-line life. All the clues I've found have pointed me in one direction, but is it a false trail?
Publisher: Aladdin Paperbacks
I wrote an essay about it. They’re in the photos