You join as a Scrum Master to new Scrum Team; you notice that the Product Owner and the Development Team are spending too much time in the product backlog refinement. You discovered that the team is detailing information for all the user stories in the product backlog. How would you address this issue?

A) Do nothing as the team discovered that refinement is very valuable to them
B) Ask product owner to take the responsibility of refining the backlog items and let the Development Team focus on current sprint goals
C) Cancel all refinement meetings until team start meeting commitments
D) Coach team members to spend just enough time to refine the backlog for upcoming Sprint.