What are $X$ and $Y$ respectively in the following reactions?

• A
  $X = \text{4-bromobenzyl bromide}, Y = \text{4-bromobenzyl alcohol}$
• B
  $X = \text{2-bromo-4-bromotoluene}, Y = \text{2-hydroxy-4-bromotoluene}$
• C
  $X = \text{2-bromo-4-bromotoluene}, Y = \text{4-bromo-2-hydroxytoluene}$
• D
  $X = \text{4-bromobenzyl bromide}, Y = \text{4-bromophenol}$