Smith uses diction to structure the words in a way to make them easier to understand and to reveal the settings.
Diction can be defined as the author's original vocabulary and style. It is the careful selection of words by the author to communicate the message to the reader and establish particular writing skills.
In the given passage, the writer uses diction to help the reader understand the sentence in a better way.
Therefore the correct option is D.
Learn more about diction here:
https://brainly.com/question/14571737