The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.
Answer:
give more of the story otherwise no one will know what is correct or not
I’ll that the other free points then since you got someone to do it:)
Answer:
Huh? I don't understand but my guess is 2?