PLZ HELP!!!!! FAST!!!!Near the beginning of A Christmas Carol, the narrator describes the London in which the action takes place as "cold, bleak, biting weather, foggy withal," and mentions that it is already dark at three o'clock.    Which best describes the effect of these descriptions?   A. They establish this section's grim mood.   B. They give the story its upbeat and hopeful tone.   C. They paint an unrealistic picture of London in the 1800s.   D. They suggest the story's focus on redemption and rebirth.