33. CH3(CH2)5CH=CH(CH2)9COOH is an unsaturated fatty acid, which of the following nomenclature names is right for it?
(A)ω3, C18:1
(B) ω5, C18:1
(C) 7, C18:1
(D) 9, C18:1
(E) ω11, C18:1

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