The main purpose of feedback during improvement iterations is to ensure that actions remain relevant and effective as circumstances change, so option B is correct. ITIL promotes iterative progress because environments, stakeholder needs, risks, and information often change during work. Feedback helps teams learn what is working, what is not, and what should be adjusted before moving further. It is not realistic to expect all stakeholders to fully agree at every point, and feedback does not eliminate the need for future adjustments. Instead, it supports better decisions, earlier correction, and more effective alignment with value. This approach reduces waste and improves adaptability. It is closely connected to the guiding principle “progress iteratively with feedback,” which encourages organizations to move in manageable steps and use learning continuously to refine outcomes.