The terms batten seam, standing seam, and flat seam all describe types of:

(A) architectural sheet metal roofing.

(B) methods for glazing large windows.

(C) types of EPDM roofing membranes.

(D) framing methods for hollow steel doors.

(E) built-up roofing systems.

(A) architectural sheet metal roofing

Explanation:

By the name itself we can judge that the 'Architectural sheet metal roofing' is a kind of metal roofing.

And these type of metal roofing is primarily used for small and big houses, small buildings and as well as in a building that is for commercial use they can be totally flat as well as little bit sloped.

And the words similarly like batten and standing seam, and flat seam all tells us that these are the types of architectural sheet metal roofing.