Can't say which was originally displayed, but B looks more "real" to me. Nice shot, by the way.

Long exposure / night shots are tricky to tone, especially with fires as a light source. If you can change white balance settings, try using "tungsten" mode to take night shots. It brings out the blues, and softens the warm glows from fires, sodium lights, etc. Not everyone likes it, but I've spent countless hours shooting under moonlight, it's always worked for me.

Some examples of my tungsten shots:

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I was inspired to try it by one of my photographic heroes, who shoots tungsten slide film. With the slides, the added blue affect is quite dramatic, but with digital, it's just enough to balance everything out.

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Of course, shooting in tungsten mode doesn't eliminate the need for post-processing, but it makes toning a lot easier. In my opinion, it leaves you with more room to play around, so long as everything is properly exposed.