Match the conversions in Column-$I$ with the type$(s)$ of reaction$(s)$ given in Column-$II$.

Column-$I$	Column-$II$
$A$. $PbS \rightarrow PbO$	$p$. roasting
$B$. $CaCO_3 \rightarrow CaO$	$q$. calcination
$C$. $ZnS \rightarrow Zn$	$r$. Carbon reduction
$D$. $Cu_2S \rightarrow Cu$	$s$. self reduction

• A
  $A-p, B-q, C-p, r, D-p, s$
• B
  $A-q, B-r, C-s, r, D-p, r$
• C
  $A-s, B-p, C-p, s, D-r, p$
• D
  $A-r, B-s, C-p, r, D-s, r$