The answer is: . B. Spend time learning from each other without evaluating ideas, then move to discussion.
By spending time with each other prior to the discussion, you would take a glimpse on how your team members observe the problems that they face and how they solve it, which will make you understand their general point of view.
If you move to the discussion with this type of understanding, conflicts that might occur would be minimized and it is far easier for you all to achieve common resolution.
