The answer(s) would be B)horizon C)value and D) focus
1.
an abstract or general idea or term.
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.
<span>The city of Pompeii is important because of the way
Vesuvius both destroyed and preserved it, but in the 1st Century AD it
had little special significance.</span>