For a Particular Chemical Reaction, the Rate Constant at 30

For a particular chemical reaction, the rate constant at 30.0 °C is 1.38 × 10^-4 L mol^-1 s^-1, while the value at 49.0 °C is 1.21 × 10³ L mol^-1 s^-1. What is the activation energy for this reaction?

A) 92.8 kJ mol^-1
B) 200 kJ mol^-1
C) 40.4 kJ mol^-1
D) 343 kJ mol^-1
E) 56.4 kJ mol^-1