I believe the answer is, actually, D. The red will be too exciting and distracting to the calm library.
If you research the library, it is actually quite a colourful place, but the red on the inside, as well as the outside, would have been too much and indeed; distracting and exciting.
Answer:
it sounds like a t!ktok song
Explanation:
Frescoes are in fact affected moisture. They need to stay dry, and humidity needs to be low.
