Anyway to edit the contents of a level without opening it?

WHICH ONE IS THE BEST…

A). NO RAY TRACING

B). RAY TRACING - CAPTURE BRIGHTNESS 0.2

C). RAY TRACING - CAPTURE BRIGHTNESS 1.0

D). RAY TRACING - CAPTURE BRIGHTNESS 1.0 + PostProcess A

E). RAY TRACING - CAPTURE BRIGHTNESS 1.0 + PostProcess B

Can anyone tell me which is the closest to realistic… ?