The correct answer is A. Idealism
Step-by-step explanation:
In art, the word "idealism" refers to the use of artistic techniques to depict beauty and aesthetics based on the idea of perfection and beauty, this means "idealism" is depicted in if a piece of art fits in certain aesthetic parameters than make it perfect or almost perfect. This concept is the opposite to "realism" and "naturalism" that aim at depicting reality as it is including negative aspects of it rather than only the ideal or the perfection. Additionally, idealism relies mainly on imagination and conceptions of beauty. Thus, in artwork, beauty found in something close to perfection defines idealism.