How is tone used in an argument?
 O
 A. To make the audience aware of any bias the writer may have
 about the subject
 B. To show the author's attitude toward a subject
 O
 C. To establish the writer's credibility and show that he or she is an
 expert on the subject
 O
 D. To make the audience believe the writer is on their side and
 supports their beliefs
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