Which of These Statements Are True About Chemical Equilibrium in General

Which of these statements are true about chemical equilibrium in general?

A) At equilibrium, the rate constant of the forward reaction is equal to the rate of the reverse reaction.
B) At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.
C) Equilibrium is the result of the cessation of all chemical change.
D) There is only one set of equilibrium concentrations that equals the K_c value.
E) At equilibrium the sum of the concentration of products equals the total concentration of the reactants.