${\mathrm{CH}}_3-{\mathrm{CONH}}_2\underset{{\mathrm{H}}_2\mathrm{O}}{\overset{{\mathrm{LiAlH}}_4}{\to }}\text{\hspace{0.17em}P};$     ${\mathrm{CH}}_3\mathrm{CON}{\mathrm{H}}_2\stackrel{{\mathrm{Br}}_2+\mathrm{KOH}}{\to }\mathrm{Q};$         P and Q are

• A

  Same compounds

• B

  Homologues 

• C

  Functional isomers 

• D

  Positional isomers