The correct match between Item-$I$ (starting material) and Item-$II$ (reagent) for the preparation of benzaldehyde is :

Item-$I$	Item-$II$
$I$. Benzene	$P$. $HCl$ and $SnCl_2, H_3O^{+}$
$II$. Benzonitrile	$Q$. $H_2, Pd-BaSO_4, S$ and quinoline
$III$. Benzoyl Chloride	$R$. $CO, HCl$ and $AlCl_3$

• A
  $I-Q, II-R$ and $III-P$
• B
  $I-R, II-Q$ and $III-P$
• C
  $I-R, II-P$ and $III-Q$
• D
  $I-P, II-Q$ and $III-R$