What can you discuss in an art critique? 

A. You can discuss the artist's technique and how it affects the piece of art or the viewer.

B.
You can discuss decisions the artist made (on issues such as composition and color choice, for example) and how they affect the piece of art or the viewer.

C.
You can discuss the artist's unique place in history while he or she was creating the art.

D.
All of the above are correct.

D. All of the above are correct. In an art critique, you can discuss the artist's technique, decisions made regarding composition and color choice, and the artist's unique place in history while creating the art. Additionally, you can discuss the emotions or messages conveyed by the artwork and how it relates to the broader context of art history or contemporary society.