The Reaction System POBr₃(g) POBr(g) + Br₂(g) Is at Equilibrium

The reaction system POBr₃(g) POBr(g) + Br₂(g) is at equilibrium. Which of the following statements describes the behavior of the system if POBr is added to the container?

A) POBr will be consumed in order to establish a new equilibrium.
B) The partial pressures of POBr₃ and POBr will remain steady while the partial pressure of bromine increases.
C) The partial pressure of bromine will increase while the partial pressure of POBr decreases.
D) The partial pressure of bromine remains steady while the partial pressures of POBr₃ and POBr increase.
E) The forward reaction will proceed to establish equilibrium.