Final answer:
Well-spaced, lightly stocked shelving would support an upscale store image best.
Step-by-step explanation:
An upscale store image is typically associated with a luxurious and high-quality shopping environment. Among the retail servicescapes listed, the one that would best support an upscale store image is D) Well-spaced, lightly stocked shelving. This type of display arrangement creates a sense of exclusivity and sophistication, allowing each product to stand out and appear more valuable. It also provides an atmosphere of spaciousness and elegance, which aligns well with an upscale store image.