Which statement describes a key difference between driscoll's "hold fast your dreams" and hughes's "harlem [2]"? a. driscoll's poem deals with nurturing dreams, while hughes's piece is about what happens when dreams are not nurtured. b. driscoll's poem uses dream as a metaphor for natural beauty, while hughes's piece deals with dreams literally. c. driscoll's poem suggests that dreams are important, while hughes's piece does not value dreams. d. driscoll's poem is a long and involved exploration of dreams, while hughes's piece is short and simple.