Answer :
Answer:A) interacting group
Explanation: A) Interacting groups where ideas are shared through interaction however this is likely that some members will want to influence others to conform to the ideas that they have suggested, it created a pressure to conform to opinions from certain individuals.
Brainstorming and the nominal group technique are suggested asbbetter option because it can reduce those issues brought by interacting group.
Brainstorming can overcome the pressures for conformity because everyone shares their ideas and a those ideas get written down , in this way alternative ideas can be chosen from the written board without critisizing anyone's idea.