Le Chatelier's Principle States That

Le Chatelier's Principle states that:

A) a disturbing force must be applied to a system in order for it to reach equilibrium.
B) when a system at equilibrium is disturbed,a new equilibrium constant is established.
C) when a chemical system at equilibrium is disturbed,the system shifts in order to minimize the effect.
D) when a chemical system is at equilibrium it is no longer possible to alter the system.
E) none of the above