Which theme statement is most supported by Robert Frost’s "The Road Not Taken”?

The speaker chooses one road, but admits that the two roads were nearly equally worn and that he may never return to try the other. He imagines that, years later, he will tell the story “with a sigh,” suggesting he will still wonder how his life might have differed. This supports the theme that people may wonder “what might have been” even after making a decision.

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