Which lines contain a metaphor? A. "and left behind her, / bead upon bead, / the track of small feet / like dark fern seed." B. "like a queen who walks / down a corridor / the black cat paced / that cold smooth floor—" C. "Black as the night, / with paws unseen / (white upon white)" D. "Out of the dark / to the sill of the door / lay the snow in a long / unruffled floor,"