Activation Energy

Study the following graph of the concept of activation energy given below. Select the correct option for stages labeled A to D (a) {:(A,B,C,D),("Transition state","Potential energy", "Activation energy without enzyme","Activation energy with enzyme"):} (b) {:(A,B,C,D),("kinetic energy","Potential energy", "Activation energy without enzyme","Activation energy with enzyme"):} (c) {:(A,B,C,D),("kinetic energy","Transition energy", "Activation energy without enzyme","Activation energy with enzyme"):} (d) {:(A,B,C,D),("Potential energy","Transition energy", "Activation energy without enzyme","Activation energy with enzyme"):}