D. By using imaginative and descriptive language.
You must note that the reader most likely will not know how the area looks like, specifically if it is a fictional book, leaving it up to the writer to describe how the landscape looks like, as well as hinting how it will affect the story's plot.
The answer is in, choice 1. It is the only preposition that makes sense in that sentence
After test would be your answer for sure :)
