Which of the Following Is a Way to Make PowerPoint

Which of the following is a way to make PowerPoint presentations more effective?

A) Use a lot of animation and sound effects because these break up the monotony of the presentation.
B) Stick closely to the material actually included on each slide because providing additional examples or more detailed explanations is likely to distract or confuse the audience.
C) Use pictures and graphics to emphasize key points.
D) Keep the number of slides to a minimum by combining 8 to 10 related points on each slide when possible.