The correct option is
A (CH3)3CCOO−,(CH3)3CCH2OH(CH3)3−C−CHO⊝OH−−−→conc.(CH3)3C−COO⊝(X)+(H3C)3CCH2−OH(Y)This Reaction is called Canizzaro Reaction which takes place in concentrated NaOH condition to give corresponding alcohol and acetate ion as a product.