During the Sixth Week of a 10-Week Parenting Skills Group,a

During the sixth week of a 10-week parenting skills group,a nurse observes as several members get into a heated dispute about spanking.Group members decide to create a pros-and-cons poster on the use of physical discipline.At this time,what is the role of the group leader?

A) To referee the debate
B) To adamantly oppose physical discipline measures
C) To redirect the group to a less controversial topic
D) To encourage the group to solve the problem collectively