Which one of the following best describes how the last paragraph functions in the context of the passage? A. It offers a tentative answer to a question posed by the author in the opening paragraph. B. It summarizes an account provided in detail in the preceding paragraph. C. It provides additional support for an argument advanced by the author in the preceding paragraph. D. It examines another facet of a distinction developed in the preceding paragraphs. E. It affirms the general principle enunciated at the beginning of the passage.