During the direct examination phase of a trial, an accounting fraud examiner, who testifies as an expert witness should

Select one:

a. not use articles, academic papers, professional texts, and consultations in rendering his/her opinion of the case.

b. not use special exhibits, such as charts, diagrams, annotated documents or photos to demonstrate facts about the case or some aspect of his/her opinion.

c. not recount the narrative background of a case, the tests and experiments that were performed during the investigation, and a summary of the findings.

d. demonstrate his/her findings by using hypotheticals: fictional situations and analogous to the act in question.