Let's break it down. The first part, Visual, is what you see when you look at something, color, arrangement, font, etc... The rhetoric part deals with the persuasion. In conclusion, it's what we see and how we act or think when we see it. It is one's ability to understand what an image is attempting to communicate.
Vanitas is a still-life painting style from the 17th century that depicts death with different objects, so D would be the correct answer.
Orange? I’m pretty sure the outcome of combining the colors would be orange
