A Reaction Is at Equilibrium at a Given Temperature and Constant

A reaction is at equilibrium at a given temperature and constant pressure when __________

A) " $\Delta$ S_rxn" = 0.
B) " $\Delta$ S " = 0.
C) " $\Delta$ G_rxn = 0.
D) " $\Delta$ G 11eff76b_8025_8afd_a45e_1396a157067e_TB3833_00" = 0.
E) " $\Delta$ H_rxn" = 0.