It would be option C! Hope that helps
Ethnocentric.
Is the correct answer
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.
It's...almost December actually...
The mid -1900’s was when it’s began to increase
