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Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leaves out essential information.
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Only recently have art historians acknowledged the reason why painting shifted around 1420 CE. |
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400 years before the invention of photography, painters were painting photographic-like images on canvas. |
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The theory of optics has become widely accepted in art history circles. |
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Art historians now believe that the discovery of simple cameras is responsible for the shift in pictorial representation around 1420. |
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