正解:B,C
Lean and Six Sigma are both documented approaches to the business analysis work, as they provide methods and tools for improving business processes and delivering value to customers. Lean focuses on eliminating waste and optimizing the flow of value, while Six Sigma focuses on reducing variation and defects and enhancing quality. Both approaches are aligned with the BABOK Guide principles and practices12. Deming's Quality Circle and the Waterfall approach are not documented approaches to the business analysis work, but rather quality management and software development methodologies, respectively34. Reference: Business Analysis Expert Certification, CCBA| IIBA, CBAP / CCBA Certified Business Analysis Study Guide, 2nd Edition, The Business Analysis Standard | KnowledgeHub IIBA, CCBA: Certification of Capability in Business Analysis Study Guide