Which Statement Regarding the Human Kidneys Is False

Which statement regarding the human kidneys is false?

A) As urine passes through collecting ducts, water leaves due to the concentration gradient established in the medulla.
B) Sodium chloride diffuses out of the thin ascending limb of the loop of Henle.
C) Sodium chloride is actively transported out of the thick ascending limb of the loop of Henle.
D) Although the descending limb of the loop of Henle is permeable to water, the ascending limb is not.
E) The urine passing through the collecting ducts is more concentrated than the surrounding interstitial fluid in the medulla, so water moves out of collecting ducts.