For a gaseous reaction $$\mathrm{A+B
ightarrow Products}$$, the energy of activation was found to be $$2.27\ \mathrm{kJ\,mol^{-1}}$$ at $$273\ \mathrm K$$. The ratio of the rate constant $$k$$ to the frequency factor $$A$$ at $$273\ \mathrm K$$ is

A

0.368

B

3.68

C

4.34

D

0.434