15 POINTSWhich lines from Robert Frost’s "The Road Not Taken” most convey a tone of regret? And looked down one as far as I could To where it bent in the undergrowth; Though as for that the passing there 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.