For the Chemical Reaction System Described by the Diagram Below

For the chemical reaction system described by the diagram below, which statement is true? If the E_a for the forward reaction is 25 kJ/mol and the enthalpy of reaction is -95 kJ/mol, what is E_a for the reverse reaction?

A) 120 kJ/mol
B) 70 kJ/mol
C) 95 kJ/mol
D) 25 kJ/mol
E) -70 kJ/mol