Answer:
A) he had the opportunity to examine different facial expressions
Explanation:
I found the flash card for your question in this link: https://quizlet.com/139299611/art-flash-cards/
When someone (who is doing the criticism) stops and you have time to think.
it is the 3rd one. "Balance is achieved by using a variety of lines, shapes, and colors"
Contrast, Balance, Emphasis, Movement, White Space, Proportion, Hierarchy, Repetition, Rhythm, Pattern, Unity, and Variety.
I could use these principles to make my art work more aesthetically pleasing and more optimistic to the viewers experience. Hope this helped :))