Which of the Following Statements Concerning the Free Energy Change

Which of the following statements concerning the free energy change (DG) is false?

A) The energy change for a reaction depends only on the initial and final states, and is independent of the path taken.
B) The overall energy change for a reaction could be calculated by summing the energy changes for a series of separate reactions that could convert the reactants to the products.
C) The rate of a reaction can be determined from the energy change.
D) The energy change is a function of the concentrations of the products and reactants at start.