Which of the following is not an example of organization features used within this unit

The english language has the largest vocabulary of any language in existence. it has close to a million words! the english language is also the most widely used language in the world. close to a billion speakers, at least half of which speak english as a second or foreign language. this unit takes you on a brief tour of the history of english, showing you how the language moved from its obscure beginnings to its celebrated status as the first truly global language. what is the main idea in the text?

Lines 47–56: determine the central idea of these lines

Choose the best paraphrase of bashes haiku an old silent pond a frog jumps into the pond splash silence again a.the pond was silent until the frog jumped in splashing now alternates with quiet b.a pond will never be silent after one frog jumps into it and starts splashing around c. a frog jumps into a quiet pond there is a splash then all is quiet once more d. there was once an accident body of water that a frog splashed into and died