$C_6H_5CH_2MgBr$ $\xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } CO_2 / \text{Ether}} \text{'X'}$ $\xrightarrow[\Delta]{NaOH + CaO} \text{'Y'}$
What is the final product in this reaction?

• A
  $C_6H_5CH_2OH$
• B
  $C_6H_5CH_2CH_3$
• C
  $C_6H_6$
• D
  $C_6H_5CH_3$