Answer:
Option D is the correct answer to this question.
Explanation:
Laura sat in on only one of Amanda's presentations before giving her the promotion.
They were made by hand before slides were mounted on computers. Designing a PowerPoint presentation took several hours and though it was costly. Presentations were illustrated back then people with devices such as journal flip charts and computer monitors, but these have been used in schools and conference rooms worldwide.
Other options are incorrect because they are not related to the given scenario.