4. Which of the following yields a primary alcohol upon reduction?
(A) a ketone
(B) an alkene
(C) an amine
(D) an aldehyde
(E) an ether
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統計: A(0), B(1), C(1), D(7), E(0) #3840014
統計: A(0), B(1), C(1), D(7), E(0) #3840014