Option E you cannot take photos--> coz they want people to see it irl why?
(A) Taking photographs of art objects, especially using a flash, can damage the objects by accelerating the fading of paint. --
but how will this impact the number of visitors ..?(B) The museum sells pictures of its collection in its gift shop, which is an important source of income for the museum. --
contradictory(C) Images placed online are easily copied and reused by other people. -
yes, maybe but they can keep it copyrighted, but this still doesn't explain why the conclusion(D) The quality of most electronic images, especially those online, falls short of the professional standards of the museum. --
not relevant
(E) If people see online images of items in the museum’s collection, they will no longer be interested in seeing the collection with their own eyes. --
great! and negating the statement, falsifies the conclusion too. bingo