请选出以下哪项文献为专利文献?( ) A: GB/T 16133-2014, 儿童青少年脊柱弯曲异常的筛查[S]. B: 贺新宁. 脊柱侧弯钉棒矫正支架系统[P]. 湖南:CN206896389U,2018-01-19. C: KHRAMTSOV PETR IVANOVICH. DEVICE AND METHOD OF DIAGNOSING SCOLIOTIC DEFORMATIONS OF SPINE IN CHILDREN AND TEENAGERS[P]. :RU2483669,2013-06-10. D: BS 5473-1977, Specification for spinal and abdominal fabric supports[S].