Read the sentences.[1] Olaudah Equiano wrote a book. [2] It was about his experiences as a slave and, later, as a free man.Which is the best way to combine sentences 1 and 2?

The second sentence explains what the book was about, so it should be joined to “book” with the relative pronoun “which.” Choice A combines the ideas clearly: “Olaudah Equiano wrote a book, which was about his experiences as a slave and, later, as a free man.” The other choices use “even if,” “until,” or “although,” which suggest a condition, time relationship, or contrast that the sentences do not express.

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