Final answer:
The metaphor in the bolded text refers to the flames being dangerously close to the people inside the burning house. Option c is the correct interpretation.
Step-by-step explanation:
From the provided excerpt in the bolded text, the metaphor describes the dangerous proximity of the flames to the individuals inside the house.
The author uses the metaphor of "the fiery tongues" to liken the flames and their motion to that of a snake's tongue, suggesting their predatory and imminent threat.
This scene is set against a backdrop of a house fire, with characters trying to ensure everyone is safe and accounted for. Option c is correct: The house is on fire, and the snake-like flames are dangerously close to the people inside.