Words like nylon, orlon. rayon are words from proper names, whic

Words like nylon, orlon. rayon are words from proper names, which were originally______.[ ]
A、names ofpeople
B、names ofplaces
C、names of books
D、tradenames
【正确答案】：D
【题目解析】：题干中已经有提示这几个词形成方式是通过专有名词转换来的，专有名词的来源有人名、地名、书名商标名四种，它们也是选项中的四个内容。课本中有这个几个词的例子，它们都是商标名，因此选D。