Wich feature of a book introduction is reflected in the introduction to of war and peace

In this excerpt, the characters describe the nature of

In twelve years a slave, when the passengers on the ship learn robert has smallpox, what is their reaction? “panic-stricken” “indifferent” “relieved” “oppressed”

If this were a fictionalized account, instead of a memoir, which might be the opening sentence? a) i am not your prisoner. b) i find myself in prison. c) you have taken me prisoner. d) black hawk had been taken prisoner.