The major products of the following reaction,$2ZnS_{(s)} + 3O_{2(g)} \xrightarrow{\text{Heat}} \dots$ are

• A
  $ZnO$ and $SO_2$
• B
  $ZnSO_4$ and $SO_3$
• C
  $ZnSO_4$ and $SO_2$
• D
  $Zn$ and $SO_2$