The answer would be D. In an in-text citation page.
<span>The etymology reflects the spread of the commodity. The English word "sugar"
originates from the Sanskrit शर्करा śarkarā, via Persian شکر shakkar.
It most probably came to England by way of Italian merchants.</span>
Yes, he should include at the end of the essay information about what he learned and if it changed him.
Absolutely so.