According to the passage, all of the following are true concerning the process of negative feedback EXCEPT
A． By diminishing errors, negative feedback allows systems to correct themselves.
B． Negative feedback always arises out of a system where several factors are interacting.
C． Negative feedback sometimes causes a disturbed system to over-correct, resulting in an impressed change opposite to the original disturbance.
D． Negative feedback is less important, on the whole, than departure from equilibrium.
E． Ideally, negative feedback gradually diminishes, allowing a system to find its desired course.