Match the reactions in Column $I$ with appropriate options in Column $II$.

Column $I$	Column $II$
$A$. $Ph-N_2Cl + Ph-OH \xrightarrow{NaOH/H_2O, 0^{\circ}C} Ph-N=N-Ph-OH$	$p$. Racemic mixture
$B$. $Pinacol \xrightarrow{H_2SO_4} Pinacolone$	$q$. Addition reaction
$C$. $Ph-CO-CH_3 \xrightarrow{1. LiAlH_4, 2. H_3O^+} Ph-CH(OH)-CH_3$	$r$. Substitution reaction
$D$. $4-chlorocyclohexanethiol \xrightarrow{Base} Thiacycloheptane$	$s$. Coupling reaction
	$t$. Carbocation intermediate

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