Which statement best describes the way Gothic cathedrals reflected the culture of the Middle Ages?

The correct answer is Their light-filled interiors reflected the longing for religious knowledge and purity.

The idea was to be huge with lots of windows and light that would be entering from all sides while you were at mass or while you were praying or similar. This was done to make a feeling that the light was filling you while you were connecting yourself to god and that it is a good thing and that people should support the church.