The interior of st. étienne has a sense of lightness because the development of the made it possible to pierce the walls above the tribune gallery with a series of windows called a . compound pier; triforiumb. pendentive; minaretc. ambulatory; lunetted. buttress; rose windowe. rib vault; clerestory

E. rib vault; clerestory

Explanation:

In the interior of St. Étienne the process of lightening the walls has been developed and its disappearance has almost been achieved.

The openings of the upper gallery have the same width as the arcades of the ground floor and also the area of the clerestory is open by the rows of arcades, with which the wall is slightly pointed.

so a and d are wrong right off the bat. i'd go for c. hope i !

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