Assuming you're referring to what you typed, it would be informal.
<span>A. This sentiment is shared by Olympic-medalist Sandy Connor, who says, "in the end, it was worth every sacrifice I made to get there."
This successfully and neatly integrates a quote into the text</span>
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The atmosphere should be better do to the lower amount of pollution due to the more spread out population of people as well as it should be a bit cooler than the city once again because of lower population.
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