A group has two more sessions before it ends. One member was previously vocal and has shown much progress but has now grown silent. What explanation most likely underlies this behavior? The silent member:
a. has participated in the group and now has nothing more to offer.
b. is having trouble dealing with feelings about termination of this group.
c. wants to give quieter members a chance to talk in the remaining sessions.
d. is engaging in attention-seeking behavior aimed at continuation of the group.