An organic compound (A) on reduction gives compound (B). (B) on treatment with $\mathrm{CHCl}_{3}$ and alcoholic KOH gives (C). (C) on catalytic reduction gives N-methylaniline. The compound A is

• A

  Methylamine
• B

  Nitromethane
• C

  Aniline
• Correct answer
  D

  Nitrobenzene

Hence, the correct answer is option: 'D'.