Threatens to eliminate more sophisticated language.
<u>Explanation:</u>
Metaphors are the figures of speech in which a word or a phrase is applied to an object or to an action which to which it is not literally applicable. A comparison is done with the use of metaphor in which there is direct comparison of one thing with the other.
In this case also, the metaphor used endangered hatchlings is used to make a comparison with the sophisticated language which is nowhere related to the word itself.
Answer: The speaker is recalling, "with a sigh," how difficult it had been for him to choose the more traveled or the less traveled of the two roads. The forked road is a metaphor for the inherent duality in the natural world.
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