In Paul Laurence Dunbar's poem "Sympathy," what is the metaphorical significance of the pain that "still throbs in the old, old scars"? A. It refers to the wounds that are especially painful after frustrating attempts to break free. B. It stands for the pain of slavery that nearly a century of struggle for civil rights has not erased. C. It's an allusion to the branding of slaves and the scars that it left on former slaves.