Reduction of nitrobenzene by which of the following reagent gives aniline?

(a) Sn/HCl
(b) Fe/HCl
(c) H2-pd
(d) Sn/NH4OH

Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)

Reduction of by Sn/HCl Fe/HCl and H2-Pd gives aniline as follows