I believe it's D, religious texts. It is very often used as an illustration of divinity and purity.
Answer:
The color is nonexistent
Explanation:
As you did say before, "one story house" I can bravly assume that this isn't a 2 story house. Well, only houses with 2+ stories need stairs (unless you are a madman) so we can state with the information givin, that the stairs color would in fact be, "nonexistent" as the color. This is the same color as "nothing" or maybe the question "Did yu see that?!" when someone is infact tryng to distract you or get away from this colorless conversation.
thank you for your time.
True even in modern times most statues are cut from a single block then sculptures carved the statues by hand
D. the religious theme. most mannerist paintings have distortion, unnatural poses and intense, unnatural colors.