On the Energy Diagram Below, Which Arrows) Represent the Activation

On the energy diagram below, which arrows) represent the activation energy for the forward and reverse reactions?

A) Arrow 1 is the activation energy for both the forward and reverse reactions.
B) Arrow 1 is the activation energy for the forward reaction and arrow 2 is the activation energy for the reverse reaction.
C) Arrow 1 is the activation energy for the forward reaction and arrow 3 is the activation energy for the reverse reaction.
D) Arrow 3 is the activation energy for the forward reaction and arrow 2 is the activation energy for the reverse reaction.