What is the IUPAC name of the organic compound formed in the following chemical reaction ? \( \text{Acetone} \ce{->[(i)C_2H_5MgBr, \text{dry Ether}][(ii)H_2O, H^+]} \text{Product} \)
(A) 2-methyl propan-2-ol
(B) pentan-2-ol
(C) pentan-3-ol
(D) 2-methyl butan-2-ol