Why Is Having a Large Social Network NOT in Itself

Why is having a large social network NOT in itself a guarantee of resilience?

A) having a lot of people to worry about can be stressful itself
B) social groups can put pressure on members to behave in particular ways that aren't personally fulfilling
C) the network may not believe in helping individuals or providing a safety net
D) All of these things might be true
E) one's network may not contain individuals who can help in the way that one needs in a given situation