On which feature of this painting would a critic be MOST likely to focus?

Without information or context about the painting, it is impossible to determine the specific feature that a critic would be most likely to focus on. Critics can vary in their interests, areas of expertise, and preferences. Some common aspects that critics often analyze in paintings include composition, technique, use of color, subject matter, style, symbolism, historical context, and the artist's intentions or message. However, to provide a more accurate answer, additional information about the painting would be needed.