A Hormone Can Influence the Activity of Another Hormone at a Given

A hormone can influence the activity of another hormone at a given target cell in one of three ways: permissiveness,synergism and antagonism.Which statement concerning the above concept is correct?

A) With permissiveness, one hormone must be present in adequate amounts for the full exertion of another hormone's effect.
B) Synergism occurs when the action of one hormone is more dominant than another hormone.
C) Antagonism occurs when hormones compete for the hormone's receptors.
D) ADH and oxytocin are a good example of antagonistic hormones.