B seems tone correct. As per 4.3.3.2 Iteration and feedback together: Having appropriate feedback loops between the participants of an activity gives them a better understanding of where their work comes from, where their outputs go, and how their actions and outputs affect the outcomes, which in turn enables them to make better decisions.
I googeled what a feedback loop means, in this case B makes sense. But my first choice was D...
A feedback loop is a process that “loops” the outputs of a system back in as inputs. In business, this means using customer or employee feedback to improve a product, service, or workplace: a business uses the insights gained from feedback to initiate change.
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