an effective moderator of a group discussion\no tells participants what they should say.\no encourages…

an effective moderator of a group discussion\no tells participants what they should say.\no encourages contention and disorder.\no introduces personal opinions into the discussion.\no helps the group remember the rules of discussion.
Answer
Answer:
D. helps the group remember the rules of discussion.
Brief Explanations:
A good moderator ensures order, not disorder, doesn't tell what to say, and avoids injecting personal opinions. Reminding of rules is key.