The Following Reaction in Aqueous Solution Was Found to Be $\rarr$

The following reaction in aqueous solution was found to be first order in [OH^-], first order in [C₂H₅Br], and inverse first order in Br^-.C₂H₅Br + OH^- $\rarr$ C₂H₅OH + Br^- Which one of the following mechanisms is consistent with the observed reaction order

A) C₂H₅Br $\rarr$ C₂H₅⁺ + Br^- fast
C₂H₅⁺ + OH^- $\rarr$ C₂H₅OH slow
B) C₂H₅Br +H₂O $\rarr$ C₂H₅OH + H⁺ + Br^- slow
H⁺ + OH^- $\rarr$ H₂O fast
C) C₂H₅Br $\rarr$ C₂H₅⁺ + Br^- slow
C₂H₅⁺ + OH^- $\rarr$ C₂H₅OH fast
D) C₂H₅Br $\rarr$ C₂H₅⁺ + Br^- slow