The most appropriate use of ISO 31000 - Risk Management - Principles and Guidelines is B. Integrating resiliency into the company strategy. ISO 31000 provides a comprehensive framework for identifying, analyzing, evaluating, and treating risks. It can be applied to a wide range of activities, including developing corporate strategy.

CSCP emphasizes the importance of risk management within supply chain operations, including the need to integrate resiliency into the company's strategy. ISO 31000 provides a framework for identifying, assessing, and managing risks across the organization, which aligns with the principles of effective supply chain risk management as taught in the CSCP certification.

Based on the information provided in Module 7, the most appropriate use of the ISO 31000 - Risk Management - Principles and Guidelines would be integrating resiliency into the company strategy. This is because the ISO 31000 framework provides guidance on designing, integrating, implementing, evaluating, and improving the risk management framework, which can help organizations to build resilience and prepare for potential risks and disruptions. Therefore, option B is the correct answer.