Examine given sequence of reaction carefully :

`overset(Sn+HCl)to A overset(HNO_(2))to Boverset(H_(2)O)toCunderset(100^(@)) overset(Conc. H_(2)SO_(4))toD underset("excess")overset(Br_(2)+ FeBr_(3))toE`
Converstion of B to C is which type of reaction ?
A. electrophilic aromatic substitution reaction
B. nucleophilic aromatic substition reaction
C. free radiual substitution
D. nucleophilic acyl substitution reaction