The speaker in "Journey of the Magi" says that the Magi (wise men) traveled all night, even though there were "voices singing in our ears, saying / That this was all folly." What does the speaker mean?
a.They were so tired that they sang to keep themselves awake.
b.Even when they were tired and had doubts, they remained faithful. c.Their journey was filled with singing and hopeful companionship. d.They sang to take their minds off the folly of their journey.