Coworker: "Have you noticed our supervisor's idiosyncrasies?"

a mode of behavior or way of thought peculiar to an individual.

"one of his little idiosyncrasies was always preferring to be in the car first"

a distinctive or peculiar feature or characteristic of a place or thing.

"the idiosyncrasies of the prison system"

Explanation:

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answer; i believe that the   correct answer is (d)the use of descriptive words that bring your reader into the story, not using literal words for check luck