Concept:The speaker is addressing a silent supernatural figure and urging it to reveal hidden knowledge.Explanation:These lines are taken from William Shakespeare's Hamlet, Act 1, Scene 1.The speaker pleads, "Speak to me", showing that the figure has appeared but has not yet spoken.Mention of the country's fate and buried treasure suggests the spirit of a former king.The character being addressed is therefore the ghost of King Hamlet.Answer:B. the ghost