A project sponsor reviews the project and questions some of the project risks. The sponsor asks the project manager to analyze the effect of these risks on overall project objectives.What should the project manager conduct? 项目发起人对项目进行审查并对一些项目风险提出质疑，项目发起人要求项目经理分析这些风险对项目总体目标的影响。项目经理应该执行下列哪一项？ ◑A.Quantitative and qualitative risk analyses定量和定性风险分析 ◑B.Assumption and constraint analysis假设条件和制约因素分析 ◑C.Strengths, weakness, opportunity, and threats (SWOT) analysis优势、劣势、机会与威胁（SWOT）分析 ◑D.Checklist analysis核对单分析
