The intermediate(s) formed during the reaction
`C_(6)H_(5)CH_(2)COOAg+Br_(2)overset("CC"l_(4))toC_(6)H_(5)CH_(2)Br` is (are) :
A. `C_(6)H_(5)-CH_(2)-overset(O)overset(||)OBr`
B. `C_(6)H_(5)-CH_(2)-overset(O)overset(||)(overset(**)O)`
C. `C_(6)H_(5)-overset(.)CH_(2)`
D. `overset(.)Br`