Which of the Following Is Correct Concerning the Following Equilibria

Multiple Choice

Which of the following is correct concerning the following equilibria? CO₂ + H₂O↔H₂CO₃

A) An increase in the pressure of CO₂ will result in a decrease of pH.
B) This reaction is catalyzed by carbonic anhydrase.
C) The H₂CO₃ dissociates to H+ and bicarbonate ion, HCO₃⁻.
D) The majority of CO₂ is transported to the lungs in the form of HCO₃⁻.
E) All of the above.