The correct answer is D. Spatial order
Step-by-step explanation:
Spatial order organization is a pattern for organizing information in which details are arranged according to the physical space or location, this type of text organization is commonly used for describing the way something looks or the way different elements are arranged in space, because of this, spatial organization can be found in descriptive text or in text related to geography as this type of organizational pattern let the reader know the way different elements are located in a space and related to each other. Additionally, this can be identified as it uses words related to location and space such as "south", "middle", "besides", "between", etc.
This is the case of the text presented as the author is explaining the way she or he arranged the living room for doing this, the author explains the location of the couch, television, fireplace, and the window, also the author uses words such as "south wall", "east wall" and "west wall" to explain the location of elements in space, which means the purpose of the author is to explain the location of the objects in the living room and therefore the organizational structure used is "spatial order".