It's either A or B. I would go with B though.
Past Perfect. ed makes it perfect and past
Mr. Walter Cunningham and a cluster of his companions have all gone to the prison to attempt to lynch Tom Robinson before his trial. They are beginning to undermine Atticus to attempt to get him off the beaten path when Jem and Scout arrive. Scout diffuses the energy of the posse without realizing that she is doing it.
The mood is very powerful, it has a dark atmosphere, on a cloudy day, near a scary lake. The description of the house is detailed as a terrifying place.
The narrator seems to be disconcerted. He had a different memory of his old friend. He is not able to express literally how the whole situation makes him feel.
