Which of these is the most likely reason that frankenstein is written in an epistolary style?
a) to sustain the reader's interest
b) to connect the narrative to actual historical events
c) to remind the reader that it is a work of fiction
d) to create a tone of realism

The mot likely reason that Frankestein is written in an epistolary style option D. To create a tone of realism,

An epistolary novel includes a series of documents. The usual form is letters, although diary entries, newspaper clippings and other documents are sometimes used. Mary Shelley employs the epistolary form in her novel Frankenstein by introducing letters as one of a variety of framing devices, as the story is presented through the letters of a sea captain and scientific explorer in order to reach the north pole who encounters Victor Frankenstein and records the dying man's narrative and confessions.

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answer: the sentence in the text that contains both the topic and the author's single most important idea about the topic

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