【单选题】“Two roads diverged in a yellow wood and sorry I could not travel both...” In the above two lines of Robert Frost’s “The Road not Taken”, the poet, by implication, was referring to ________.
【单选题】The two roads diverged in a yellow wood And sorry I could not travel both... In the above two lines of Robert Frost's "The Road Not Taken", the poet, by implication, was referring to ______.