$\mathrm{HCHO} \xrightarrow{\text { Reduction }} A \xrightarrow{\mathrm{P} \text { and } \mathrm{I}_2} B \xrightarrow{\mathrm{KCN}} C\xrightarrow{\text { Hydrolysis }}$D. 'D' is

• Correct answer
  A

  acetic acid
• B

  ethylamine
• C

  acetamide
• D

  None of these

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