It's a simile because a simile uses like or as and in this piece of text, the first line says, "may words are LIKE little jars"
The answer is A and I'm just adding more characters to get to 20 total.
Answer:
C. Mythology plays an important role in naming planets.
Explanation:
This is the topic sentence that best relates to the supporting details. In this topic sentence, we build a connection between mythology and the names of planets. This introduces the idea that the two topics are strongly connected. The supporting details develop this idea, by explaining how Mercury is named after the messenger of the Roman gods.