Identify what is $\mathrm{Y}$ in the following reaction sequence?

• A

  $\mathrm{CH}_3 \mathrm{NH}_2$
• B

  $\mathrm{CH}_3 \mathrm{CONHBr}$
• Correct answer
  C

  $\mathrm{CH}_3 \mathrm{OH}$
• D

  $\mathrm{BrCH}_2 \mathrm{CONH}_2$

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