Answer: B
With the hydride reagent LiAlHX4 aromatic nitro compounds do not give anilines; the reduction stops at the bimolecular stage and gives azobenzene CX6HX5N=NCX6HX5. Aniline needs Sn/HCl, Fe/HCl or catalytic hydrogenation, and 4-aminophenol forms by electrolytic reduction in strong acid.