Which quote from "The Open Boat" explicitly expresses a theme of naturalism?
A) In the meantime the oiler rowed, and then the correspondent rowed, and then the oiler rowed. Grey-faced and bowed forward, they mechanically, turn by turn, plied the leaden oars.
B) On the northern horizon a new light appeared, a small bluish gleam on the edge of the waters. These two lights were the furniture of the world.
C) The management of the boat was still most absorbing, but it could not prevent a quiet cheerfulness. In an hour, perhaps, they would be ashore.
D) Even as the lighthouse was an upright shadow on the sky, this land seemed but a long black shadow on the sea