Identify the reactant $X$ and the product $Y$ in the reaction of acetone with a Grignard reagent followed by hydrolysis.
- A$X = MgCl_2;\; Y = CH_3CH = CH_2$
- B$X = CH_3MgCl;\; Y = C_2H_5COCH_3$
- C$X = CH_3MgCl;\; Y = (CH_3)_3COH$
- D$X = C_2H_5MgCl;\; Y = (CH_3)_3COH$
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