Which of the Following Statements Is Correct

Which of the following statements is correct?

A) Urea reabsorption in the inner medullary collecting tubule is less than in the distal convoluted tubule during antidiuresis.
B) Urea concentration in the interstitial fluid of the renal cortex is greater than in the interstitial fluid of the renal medulla during antidiuresis
C) The thick ascending limb of Henle's loop reabsorbs more urea than the inner medullary collecting tubule during antidiuresis.
D) A chronic low protein diet tends to increase urine-concentrating ability.
E) The inner medullary collecting duct is more permeable to urea than is the cortical collecting tubule.