Final answer:
The main idea of the story 'The Function of Fireworks' is that it explores the symbolism and meaning behind fireworks.
Step-by-step explanation:
The main idea of the story 'The Function of Fireworks' is c) The story explores the symbolism and meaning behind fireworks. In the story, the author discusses how fireworks are a way to celebrate happy events and then goes on to explain the bursts of energy that create the colorful lights in fireworks. The main theme of the story is the symbolism and meaning behind fireworks, which connects to broader ideas about human celebrations and the significance of events.