28. Group C has been meeting for 2 months and seems to be progressing extremely well. You observe that the group meets every morning and spends the first 5 minutes chatting. They then move to the meeting area and review the decisions of the last meeting followed by a discussion on the status of their current tasks. Group C is currently at the ________ stage.
(A) norming
(B) storming
(C) performing
(D) adjourning