Etymology is the answer. The study of the origin of a word.<span />
The theme in a story is the underlying or central message, otherwise known as the 'big idea' that shows insight into life that the author is trying to convey. It is often defined as the 'moral of the story'. They tend to be serious, universal, stated in absolutes, etc.
Therefore the answer is D.
The question is incomplete, and the full version can be found on Brainly
Answer: Chocolate is sweeter today, but it has been popular for a long time because it makes people feel good.
Explanation:
Option 3 is the one that BEST explains the relationship among the facts that the Maya and Aztec valued a bitter chocolate drink, that today the entire world eats sugary chocolate, and that chocolate makes people feel good.
The first option incorrectly states that sugar has replaced the chemicals in chocolate as the element that makes people feel good. The second option incorrectly states that the chocolate eaten by the Maya and Aztecs could not make people feel good due to the lack of sugar. The fourth option incorrectly states that the Maya and Aztec would have liked chocolate more if it was made with sugar.