Facilitator/ Team lead must facilitate discussions but he/she may close meetings as per preference.
Answer: Option D.
Explanation:
An agile model of working mainly refers to a certain process of working , where the team is expected to be very flexible regarding the work time and the style of working.
The motto or the purpose of the agile model of work system is adaptation according to the situation. So according to this situation, the facilitator or the team lead must facilitate the discussions but if the need by, they should close the meetings.