What is true if ln K is negative? A) ΔG°rxn is positive and the reaction is spontaneous in the forward direction. B) ΔG°rxn is negative and the reaction is spontaneous in the forward direction. C) ΔG°rxn is negative and the reaction is spontaneous in the reverse direction. D) ΔG°rxn is positive and the reaction is spontaneous in the reverse direction. E) ΔG°rxn is zero and the reaction is at equilibrium.