I'd say A.
The word "describing" or almost anything ending with "ing" signifies an action occuring now, or in the present. B, C, and D use "when describing" which leads to the assumption that these things listed are taken into account while the landscape is being described but answer choice A uses "when they describe" which is passive rather than active.
Answer:
The word choice in the sentence adds to the development of the story by providing descriptive imagery. By doing this, the author allows readers the ability to visualize detailed images of the text in their heads.
Answer:
When I was in sixth grade I was one a sea saw and went flying forward on it and cut my head above my eye on the edge and had to get stitches
Explanation: