Which lines from robert frost’s "the road not taken” most convey a tone of regret? a. and looked down one as far as i could to where it bent in the undergrowth; b. though as for that the passing there had worn them really about the same, c. yet knowing how way leads on to way, i doubted if i should ever come back. d. i took the one less traveled by, and that has made all the difference.

The lines from Robert Frost's "The Road Not Taken", that most convey a tone of regret are option C. Yet knowing how way leads on to way, I doubted if I should ever come back. In this poem the writer speaks about decisions in life, as roads taken or not taken. One would be the main road taken by most people, on the other one you may be alone.

The answer would be C.

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