In What Way Is a Network Denser Than a Group

In what way is a network denser than a group?

A) In a network, people's interpersonal connections are stronger than in a group.
B) In a network, there are many more connections than in a group.
C) In a network, ties are much stronger and longer lasting compared to a group
D) People in networks have at most two degrees of separation, compared to four in groups.