33. What is the major organic product that results when 1-heptyne is treated with 2 equivalents of HBr?
(A)2,2-dibromoheptane
(B) 1,2-dibromoheptane
(C) 2,3-dibromo-1-heptene
(D)2,3-dibromo-2-heptene
(E) 1,1-dibromoheptane

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