Which one below is NOT TRUE about the attribute of the broadcast network?

a$.$

In the Broadcast Network Structure, the hub gets replied to or retweeted by many disconnected people, creating inward spokes

b$.$

In the Broadcast Network structure, the hub account replies to many otherwise disconnected users, creating outward spokes.

c$.$

The members of the network audience are often connected only to the hub news source, without connecting to one another.