rhianna must give a presentation to the stockholders of her company. she wants to use a multimedia presentation to help her convey her ideas. what is the best advice for her to follow as she develops her content slides? a. ensure that listed items use parallel grammatical form. b. use complete sentences to convey her ideas. c. use at least ten bulleted points per slide to avoid white space. d. record all of her ideas in paragraph form rather than using a bulleted list to increase audience comprehension and retention.