Moliere is a playwright from France and French is one of the Romance languages.
In the Dewey Decimal system, 842 is assigned to French drama.
847 is assigned to French satire.
So, I'd go with the 840 to 849 option which is A.
That would be a noun because it's a person stating it.
Plagiarism
If you do not properly quote another person's work it is as if you are stealing their work. This is a serious offense.
The answer would be A
Hope this helps :)