Which of the Following Represents the Compensatory Response of the Kidney

Which of the following represents the compensatory response of the kidney and lungs to a patient who is in metabolic acidosis?

A) The kidneys will increase bicarbonate reabsorption and the patient will begin to breathe very deeply and often gasp for air.
B) The kidneys will decrease bicarbonate reabsorption and the patient will begin to hyperventilate.
C) The kidneys will increase retention of hydrogen ions and the patient will begin to hold their breath for as long as possible.
D) The kidneys will "shut down" in an attempt to retain all electrolytes and the patient will place a bag over their face to conserve oxygen and carbon dioxide.