In a Chemical Reaction,the Standard Free Energy Change (ΔG°')is Calculated

In a chemical reaction,the standard free energy change (ΔG°') is calculated to be −3.67 cal/mol.What can be said of the chemical reaction?

A) The reaction is at equilibrium under standard conditions.
B) The reaction is spontaneous under standard conditions.
C) The reaction is not spontaneous under standard conditions.
D) Reactants predominate over products at equilibrium under standard conditions.
E) There can be no reaction.