If you read each of these, or speak them, there is only one that suits the sentence correctly.
Go with the third one. Couldn't seems to fit pretty well there.
The term old-fashioned describes the overall tone of the passage.
<h3>What tone of a passage?</h3>
An expression of the attitude made by the writer or the author in a literary composition, which conveys feelings or environment, is known as tone of a passage.
Hence, option D holds true regarding tone of the passage.
Learn more tone of passage here:
brainly.com/question/17098262
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Answer:
THE ANSWER OF THIS QUESTION IS C)PURITANISM