Answer:
The correct answer to the following question will be Option C (IM).
Explanation:
IM is brief for instant messenger, a type of interaction that allows you to create a kind of chat rooms that are private with another candidate to interact in live time throughout the Internet, comparable to a phone conversation, using text-based, non-voice-based correspondence.
Hence, It's a real-time Online communication service that allows users to know when one or even more users are connected online and then lets them exchange information or documents or enter a chat room.
Therefore, Option C is the right answer.
