The correct match between items of List-$I$ and List-$II$ is:

List-$I$	List-$II$
$A$. Coloured impurity	$P$. Steam distillation
$B$. Mixture of $o$-nitrophenol and $p$-nitrophenol	$Q$. Fractional distillation
$C$. Crude oil	$R$. Charcoal treatment
$D$. Mixture of glycerol and sugars	$S$. Distillation under reduced pressure

• A
  $A-R, B-P, C-Q, D-S$
• B
  $A-P, B-S, C-R, D-Q$
• C
  $A-R, B-P, C-S, D-Q$
• D
  $A-R, B-S, C-P, D-Q$