题目解析:
题干提问“作者为什么评论玉权杖:如果用它们砍树,它们就会折断。”
定位第3段第2句 marked the objects as in some way exceptional 表明这些物品的特殊;第3句 Not only the materials but also the ways in which they were worked demonstrated their exalted functions.表明这些物品的高贵。高亮句意为砍树就会折断,就是没有实用价值,进而可展现出其特殊、高贵,并非日常所需,对应选项 C 表述。
故选 C。