Consider the following statements and select the correct option: A - Oxytocin acts on the smooth muscles of our body and stimulates their contraction, particularly in females during childbirth and milk ejection. B - Vasopressin (ADH) primarily targets the renal tubules and stimulates reabsorption of water and electrolytes. C - Aldosterone is a mineralocorticoid secreted by the adrenal medulla that helps maintain water and electrolyte balance. D - Parathyroid hormone (PTH) increases calcium reabsorption from the renal tubules and promotes its absorption from digested food.