Latecomers to Forum Discussions Are Most Likely to Cause Problems

Latecomers to forum discussions are most likely to cause problems by

A) using strong,rigid language that does not foster discussion.
B) refusing to acknowledge viewpoints that compete with theirs.
C) challenging the team's hard-earned consensus and damaging morale.
D) using sarcastic language and hurting colleagues' feelings.
E) repeating things that were stated earlier.