(A) conceived
(B) ** endured
(C) scored
EXPLANATIONS BELOW
Concept note-1: -Da Vinci wanted to work slowly over a number of years, and so he applied his pigments to a dry plaster wall. The result was a painting that did not adhere to its surface, owing to both the artist’s technique and Milan’s humidity. The Last Supper began flaking a mere 20 years after da Vinci completed it.
Concept note-2: -The longest painting marathon lasted 60 hours and was achieved by Roland Palmaerts (Belgium/Canada) in Arches, France, from 3 to 5 October 2013.