Which is the best way to combine sentences 1 and 2? Olaudah Equiano wrote a book, which was about his experiences as a slave and
, later, as a free man. Olaudah Equiano wrote a book, even if it was about his experiences as a slave and, later, as a free man. Olaudah Equiano wrote a book, until it was about his experiences as a slave and, later, as a free man. Olaudah Equiano wrote a book, although it was about his experiences as a slave and, later, as a free man.
The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
