Yes do you have PicsArt? Or you can also make it look like a motion to make the hand look like third hand
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The sentence below in green is the answer!

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.