Question ID:PT62 S4 Q23 Passage:Film preservation requires transferring old movies from their original material‚ unstable, deteriorating nitrate film‚ to stable acetate film. But this is a time-consuming, expensive process, and there is no way to transfer all currently deteriorating nitrate films to acetate before they disintegrate. So some films from the earliest years of Hollywood will not be preserved. Stem:Which one of the following is an assumption on which the argument depends? Correct Answer Choice:DChoice A:No new technology for transferring old movies from nitrate film to acetate film will ever be developed. Choice B:Transferring films from nitrate to acetate is not the least expensive way of preserving them. Choice C:Not many films from the earliest years of Hollywood have already been transferred to acetate. Choice D:Some films from the earliest years of Hollywood currently exist solely in their original material. Choice E:The least popular films from the earliest years of Hollywood are the ones most likely to be lost.