A Reaction Has A $\Delta$ G of -20 Kcal/mol

A reaction has a $\Delta$ G of -20 kcal/mol. This reaction is

A) endergonic, and equilibrium is far toward completion.
B) exergonic, and equilibrium is far toward completion.
C) endergonic, and the forward reaction occurs at the same rate as the reverse reaction.
D) exergonic, and the forward reaction occurs at the same rate as the reverse reaction.
E) of an indeterminate nature according to the information supplied.