Respuesta :
It seems that you have missed the necessary options, but anyway, hope this answer helps. The forerunner technology that enabled its users to engage in a group chat by assembling on channels is the INTERNET RELAY CHAT or the IRC. Hope this answers your question. Have a great day!
Answer: The correct answer is : Internet Relay Chat
Explanation: The IRC was created by Jarkko Oikarinen in 1988, it is a real-time conversation where debates can be made between two or three people. Users use an application called client to connect to a server. IRC replaced the MUT program.