Google define social capital as a connection between people live and work at a particular place or office that helps them to become a responsible citizen and make society function effectively.
Social capital is comprised of three factors:
- Social network
- Trust reciprocity
- Shared norms and values
Moreover, social capital focuses on social relationships that have productive benefits and people interacting share common norms and values.
The answer is letter a. Social Capital. Social capital refers to the social networks and the reciprocal norms associated with these networks that encourages people to do things for each other.