What an author should do in the body paragraphs of an argument are: A. provide supporting evidence and D. develop your argument.
The body paragraph of an argument is the part of the argument where the author goes into depth in the development of his argument.
This part of the argument gives him the opportunity to provide supporting evidence that will back his introductory claim.
The body paragraph also affords the writer the opportunity to develop his argument.
Therefore, options A and D are correct.
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