Answer:
C.A graph with color so the data stands out
Explanation:
Because she's presenting to a group of customers, this is a sensible choice. Option B, the PowerPoint, would be informational, but when trying to advertise a customers, you would want to be crowd pleasing. However, you do not want to be distracting. Option A could probably deliver information, but one could easily loose focus with a lot of distracting fonts. And Option D. is ruled out, because it states that the clip art relates nothing to the speech information. Option C sounds altogether fun loving and informational!