60. Which of the following schemes will proceed to give the compound indicated as the major product. 
(A) I only
(B) I and II
(C) II and III
(D) I and III
(E) all of them
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統計: A(1), B(0), C(11), D(4), E(3) #1026945
統計: A(1), B(0), C(11), D(4), E(3) #1026945