AXELOS. (2020). Managing Successful Programmes (MSP) 5th Edition. TSO (The Stationery Office).
Section 3.6, 'Deploy diverse skills': This section states, "A programme needs a wide range of leadership, management, and specialist skills to deliver the required outcomes and benefits... The programme needs to deploy the right people with the right skills and experience to the right tasks at the right time." (p. 26). Assurance is a key governance task requiring specific skills and independence, making option B a direct application.
Section 3.5, 'Collaborate across boundaries': This principle covers stakeholder engagement and information flow, aligning with option A. (p. 25).
Section 3.4, 'Design the target state': This principle is about defining the future state and the path to get there, which directly relates to the planning activity in option D. (p. 24).