Respuesta :
(C) by adding a sentence that leaves the audience with something to think about
The writer can strengthen this concluding paragraph by adding a sentence that leaves the audience with something to think about.
What do we understand by the concluding paragraph?
A concluding paragraph is defined as the wrapping up of the writing by summarizing the whole piece and leaving a conclusion with the readers. It presents the main idea of the entire paragraph by presenting the important points.
Hence, option C is correct.
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