Match the following:
| List-$I$ | List-$II$ |
| :--- | :--- |
| $(A)$ Acid chloride to aldehyde | $(I)$ $DIBAL-H$ |
| $(B)$ Benzene to benzaldehyde | $(II)$ $CO, HCl, \text{anhyd. } AlCl_3$ |
| $(C)$ Acetylene to aldehyde | $(III)$ $HgSO_4, H_2SO_4$ |
| $(D)$ Ester to aldehyde | $(IV)$ $H_2, Pd-BaSO_4$ |

• A
  $A-IV, B-II, C-III, D-I$
• B
  $A-I, B-II, C-III, D-IV$
• C
  $A-III, B-II, C-I, D-IV$
• D
  $A-IV, B-II, C-I, D-III$