Which lines from Robert Frost's "The Road Not Taken" most convey a tone of regret?

Answer/Explanation:

The following lines convey the most regret in his tone:

"Had worn them really about the same,

Yet knowing how way leads on to way,

I doubted if I should ever come back.

I took the one less traveled by,And that has made all the difference."

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~Penny

Yet knowing how way leads on to way,I doubted if I should ever come back. I took the one less traveled by,And that has made all the difference.

Explanation:

they sound full of regret

after is the answer 111