The answer that seems to make the most sense is:
A. Explain an image
A legend or a key typically give information that allow something to make sense. Most commonly used in a map
Answer: Hyperbole
Explanation: it’s very unlikely that they are the smartest and most athletic kids. This could be inferred that they are the best in the world so it’s a hyperbole.
What are the options for the question?
They both get killed by their childhood friend
Answer:
Polonius from Shakespeare's Hamlet
Explanation: