62.Which of the following would yield a secondary alcohol after the indicated reaction, followed by aqueoushydrolysis if necessary?
(A)LiAlH4 + a ketone
(B)CH3CH2MgBr + an aldehyde
(C)2-Butene + mercury(II)acetate, then NaBH4, HO
(D)All of these
(E)None of these

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