4.4.3 General Requirements for Evaluation of Qualification Accreditation Capability of Inspection and Testing Institutions (Rb/T2 14-20 17). First of all, we should know that the identification of equipment includes management identification and status identification, among which there are three types of status identification: red, yellow, green and yellow. If the equipment is defective but does not affect the use function, its autumn status should be marked with yellow identification of status identification, so option A seems correct, but the correct answer should be option B.