conservation for art is "preserving, fixing, or just restoring old art or other things like artifacts etc." (found in an article on www.msaconservation.com) it's most likely controversial because if something's old and valuable, people want to keep it in it's original form. (just a guess) but that's how it is in the art world.
A) a visual series of rough drawings depicting the scenes of action in a story
I connotative interpretation is when the viewer judges a painting not for the content of the image but what emotions the painting evokes and what deeper meanings the painting has.
E.g. Picasso's masterpiece, Guernica, is a painting that heavily relies on connotative interpretation due to its roots in political activism and a rejection of the violence and horrific events of The Spanish Civil War.
The answer is D. the other answer choices are not as concrete as the last one
