32. Which methylene group of the following compound whose chemical shift in NMR spectrum is the largest one, i.e. the most downfield one?5d5e04e8f1d37.jpg
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

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統計： A(0), B(1), C(2), D(6), E(0) #2055449