The same hub has Host A$1$ and Host B$1$ connected. Host A$1$ sends a request to communicate with Host C$2.$ Host B$1$ is communicating with Host C$2.$ There is a delay in communications between Hosts A$1$ and C$2$ until the media is clear. Which Protocol is providing this function?

A$.$Virtual Local Area Network $($VLAN$)$

B$.$Carrier Sense Multiple Access$/$Collision Detection $($CSMA$/$CD$)$

C$.$Carrier Sense Multiple Access with Collision Avoidance $($CSMA$/$CA$)$

D$.$Broadcast domain