The correct option is B 2,4,6-tribromoaniline
When aniline (A) undergoes bromination, 2,4,6-tribromobenzene (B) is formed . Then B reacts with NaNO2/HCl , it forms diazonium salt (C) and C reacts with ethanol to form 2, 4, 6-tribromoaniline on boiling. The reaction is shown below: