I'm pretty sure that they are also called secondary colors, Hope this helps :)
Vanitas is a still-life painting style from the 17th century that depicts death with different objects, so D would be the correct answer.
These types of stories are called "myths" and all the myths of a nation collected are called the mythology. Famous examples of mythologies are Greek Mythology (gods such as Zeus, Hercules, and similar), and Egyptian Mythology (gods such as Osiris, Anubis, and similar).
B because vegetative is trying to be like nature