What are $X$,$Y$,and $Z$ in the following reaction sequence respectively?
Benzene $\xrightarrow{X}$ Benzaldehyde $\xrightarrow{\text{Conc. NaOH}, \Delta} Y + Z$

• A
  $X = \text{CO, HCl, AlCl}_3$; $Y = \text{Benzyl alcohol}$,$Z = \text{Sodium benzoate}$
• B
  $X = \text{CO, HCl, CuCl}$; $Y = \text{Benzyl alcohol}$,$Z = \text{Sodium benzoate}$
• C
  $X = \text{HCHO, HCl, anhydrous AlCl}_3$; $Y = \text{Benzyl alcohol}$,$Z = \text{Benzoic acid}$
• D
  $X = \text{CO, HCl}$; $Y = \text{Phenylacetic acid}$,$Z = \text{Phenol}$