Final answer:
The most fitting statement for a critique of the Mona Lisa is that it relies on a triangular composition, reflecting the innovative technique of creating a unified composition, and is a prime example of Leonardo da Vinci's use of sfumato and departure from traditional portraiture.
Step-by-step explanation:
The best statement for the evaluation section of a critique of Leonardo da Vinci's art, specifically the Mona Lisa, would be C. The main part of the composition relies on one triangular shape. This statement is factual and refers to the technique of creating a unified composition, a characteristic of da Vinci's work. Leonardo da Vinci's Mona Lisa is a pinnacle representation of the Renaissance and highlights his mastery in the use of sfumato, an innovative painting technique. Portraying the wife of a Florentine merchant, the painting is celebrated for its mysterious quality, particularly the elusive smile, and its departure from traditional profiles of women in Renaissance portraiture.