A framed narrative happens when the author uses a story and its characters to tell you another story (a story within a story... a storynception). Here, we can observe a character doing a grand opening, and he starts to introduce a character when he says "<span><em>I want to tell you of a marquis, whose actions, even though things turned out well for him in the end, were remarkable not so much for their munificence as for their senseless brutality."
</em>Therefore, you best answer is option B.<em>
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Memoir and a Biography are two concepts are sounds very close in their meaning but they are not.
For example a Memoir is usually a text about the life of a person wrote by the person himself. It is focused on a particular incident or experience.
By the other hand, a Biography is focused to express chronological event from the life of a person but without detail on specific experience.