题目解析:
题干提问“中国工艺所强调的玉器和铜器的特征是”
根据 craftsmanship 定位第4段第2-3句 Craftsmanship was therefore directed toward exploiting and displaying the particular qualities of jade and bronze that make them recognizably different from ordinary stone and ceramic. These qualities had to be made visually noticeable.即其明显不同需在视觉上得以体现,对应选项 D 表述。
故选 D。