Final answer:
The reference in the question is about a volcano. The figurative language and the mention of Mount Etna support this inference.
Step-by-step explanation:
The reference in the question is about a volcano. The key phrase that helps us infer this is 'gigantic beast'. This figurative language is commonly associated with volcanoes because of their enormous size and destructive power.
In addition, the mention of Mount Etna, which is a well-known active volcano in Italy, further supports the inference that the reference is about a volcano.
Therefore, the correct answer is Figurative language, as it provides the most relevant clue to infer that the reference is about a volcano.
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