In a group setting, one member could take advantage of the that he/she receives from the other group members, thereby exploiting the reciprocity norm to his/her advantage. some researchers believe that, instead, evolved.

The correct answer is Gratitude.

Explanation:

Gratitude is the feeling of esteem and recognition that a person has towards whom he has done a favor or rendered a service, for which he wishes to correspond.

Yes, because beyond being grateful to those who help us, deep down there are a series of related situations that benefit us. In the first place, knowledge is transmitted in a clear way, trying to solve a specific problem.

the answer is account d