<span><span>This completely unabridged version of Lord of the Rings is brought vividly to life through an assured performance by Rob Inglis.</span>
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So that things would be clearer
C is the answer asking rhetorical questions makes the audience think about the subject discussed and involves them too.<span />
I would think it to be B. A, C, and D all have something to do with words whereas B is math which isn't quite the same.