Which of These Statements About Price Ceilings Is Correct

Which of these statements about price ceilings is correct?

A) Whether a price ceiling is placed below or above the equilibrium price, it will always cause deadweight loss.
B) A price ceiling will only cause deadweight loss if it is placed above the equilibrium price.
C) A price ceiling will only cause deadweight loss if it is placed below the equilibrium price.
D) Whether a price ceiling is placed below or above the equilibrium price, it will always cause a shortage of the good.