单选题 ______mechanical device has ever been invented that can satisfactorily replace teasel flower heads for raising the nap on cloth.
【正确答案】 A
【答案解析】解析：no可以用来否定名词，相当于not a／an。B选项定冠词使用不当。C和D选项中都有谓语结构，与原句冲突。