Answer: e) none of the above
Explanation:
According to the question, being a member of a small group, a person is excepted to be motivate themselves as well as others towards participation so that group can achieve goal collectively. Groups members should be committed and encourage to work for group's goal.
Other options are incorrect because members of small group are not expected to secretly develop their goals, reach towards solution slowly or taking voting based decision.Thus, the correct option is option(e).