The correct answer is D. I married early, and was happy to find in my wife a disposition not uncongenial with my own.
Explanation:
Exposition is a literary device mainly used to provide to the reader background information of the characters, events and other elements, which is usually used at the beginning of the narrative, in this way, the exposition contextualizes the reader and help him to understand the events, character, and others that will be developed in the story. In this case, "I married early, and was happy to find in my wife a disposition not uncongenial with my own" is an example of exposition as it tells the reader previous information that is related to the events presented in the story but occurred before the main events told in the story, as when the story begins the main character has been married for some considerable time, also, it helps the reader know the relationship between the main character and his wife, contextualizing the characters and previous events.
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