Choose the best description of the characters Bob, Fred and Bruce in A Scanner Darkly.

Group of answer choices

Fred is a narcotics agent; Bob is Fred's undercover identity; Bruce is Fred$/$Bob$\text{'}$s new name after Substance D deletes his old identity.

Fred helps to get Bob arrested on drug dealing charges. Bruce is Bob's friend and also the narcotics agent who goes under cover at New Path.

Bob is Donna's boyfriend, Fred is her ex$-$boyfriend, and Bruce is her contact at New Path.

Bob is the supervisor of Bruce and Bob's undercover work