10 下列反應試劑中，何者為所示反應所需的最佳試劑？C6H5CHO →C6H5CHDOH 
(A) (1)NaBD4, (2)H3O+ 
(B)(1)NaBH4, (2)D3O+ 
(C)(1)H2/Pt, (2)D2O 
(D)(1)D3O+ , (2)NaOH, (3)NaBH4, (4)H3O+

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統計： A(20), B(7), C(0), D(1), E(0) #1191139