"Inspection and testing organizations accreditation capacity evaluation inspection and testing organizations General Requirements" (RB/T214-2017) 4.4.3. Here first of all, we should know that the identification of equipment, including the management of the identification and state identification of two kinds of identification, which state identification of the red, yellow, green three. If the equipment is defective but does not affect the use of function, should be marked with the yellow marking of the state marking of its fall state, so option A seems to be correct, but the correct answer should be option B.