The dashes used in the lines from “We Grow Accustomed to the Dark" are an example of a literary Devices.
<h3>What is a literary device?</h3>
In literature, this refers to the tool used to hint at a larger ideas and meaning in a story.
The use of a dashes in the excerpt are an example of a literary device as its purpose is to achieve a particular artistic effect in the piece of writing.
Therefore, the Option D is correct.
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I think the preposition is the word (about).
