Question ID:PT90 S2 Q13 Passage:The widespread use of encryption software, which makes electronic documents accessible by password only, will bring the writing of biographical history virtually to an end. Public figures' private correspondence and diaries are intended to be confidential when written, but they later become biographers' principal sources. In the future, most such documents are likely to be stored as encrypted text, so the most interesting, revealing material will be unavailable to historians unless they have the necessary passwords. Stem:Which one of the following most accurately expresses the main conclusion drawn in the argument? Correct Answer Choice:BChoice A:In the future, most private correspondence and diaries of public figures will be stored as encrypted text. Choice B:The widespread use of encryption software will cause the writing of biographical history to decline significantly or cease. Choice C:Historians will probably not have access to much of the private correspondence and diaries of public figures in the future. Choice D:In the future, biographers' access to the most interesting, revealing material will be determined by their knowledge of the necessary passwords. Choice E:Public figures' private correspondence and diaries are the most interesting and revealing sources for the writing of biographical history.