Answer :
Final answer:
In the context of the painted wall described, 'luster' most nearly means 'shine', hence the correct answer is A. Shine.
Explanation:
The term luster in the context of the question refers to the way light interacts with the surface of a substance, often in reference to minerals or painted surfaces.
When we say something has luster, we typically mean it has a certain shine or gloss. Therefore, in the context of the painted wall described in the student's question, "luster" most nearly means shine. For clarity, the options were A. Shine, B. Dullness, C. Color, and D. Texture.
Given these options, the correct answer is A. Shine, because that is what luster refers to in this particular context.