14. 關於下列反應之速率定律式為何? (A)Rate = k[ ][H2C2O4][H+ ] (B)Rate = k[ ] 2 [H2C2O4][H+ ] (C)Rate = k[ ] 2 [H2C2O4] (D)Rate = k[ ][H2C2O4] 2 (E)Rate = k[ ] 2 [H2C2O4] 5 [H+ ] 6。