Which of the following statements about the posterior pituitary is true?

• A. The posterior pituitary is connected to the hypothalamus via the hypothalamic-hypophyseal portal system.
• B. The posterior pituitary releases hormones that are synthesized in the hypothalamus.
• C. The posterior pituitary relies on tropic hormones to signal when to release ADH and oxytocin.
• D. The posterior pituitary releases tropic hormones that target other endocrine glands.