Answer:
Just say something like "Excessive use of force can happen in the fields of policing and corrections because when people have power over other people they feel empowered and sometimes take it too far"
there was actually a study done on this that was pretty interesting called the "Stanford prison experiment"
I saw a video on it by vsause. You can search The Stanford Prison Experiment Vsauce to find it if you are interested
There's m,any theories as to what the seven rooms symbolize but here are two popular ones. The rooms symbolize the seven stages of life from birth to death or that the rooms symbolize the seven levels of Hell. Take your pick, you can probably argue better for the first one, though. Each color has significance to the stage of life it represents, I can't remember all the different colors, but you get the idea.
B is the answer as it makes more sense
A. amateurish; it has a negative connotation, and the tone of this passage is critical.