Identify the unknown compouds.
A. `Ato`Nitrobenzene, `Bto`Dinitrobenzene, `Cto`p-Bromoaniline
B. `AtoC_(6)H_(5)SO_(3)H,Btom`-Benzenesulphonic acid, `Ctom-`Benzenesulphonate
C. `AtoC_(6)H_(5)NO_(2),Btom`,Bromonitrobenzene, `Ctom`-Bromoaniline
D. `Atop`-Nitrobenzene, `Btom`-Trinitrobenzene, `Cto`m-Bromoaniline