\[C{{H}_{3}}Br+N{{u}^{-}}\xrightarrow{{}}C{{H}_{3}}-Nu+B{{r}^{-}}\] The decreasing order of the rate of the above reaction with nucleophiles \[\left( N{{u}^{-}} \right)\] A to D is \[[N{{u}^{-}}=(A)Ph{{O}^{-}},(B)Ac{{O}^{-}},(C)H{{O}^{-}},(D)C{{H}_{3}}{{O}^{-}}]\]

• A. \[A>B>C>D\]              
• B. \[B>D>C>A\]
• C. \[~D>C>A>B\]     
• D. \[D>C>B>A\]