Concept:Input in language conversation refers to the language that a learner hears or reads, which is then perceived and understood. It is the receptive side of communication.
Explanation:Language skills are divided into input (receptive) and output (productive).
Input is the language a learner is exposed to while listening or reading. It is the process of hearing and understanding sounds and words.
Output is the language a learner produces by speaking or writing.
In a conversation, the listener receives the speaker's words – this is input. The listener must perceive (hear and understand) the language for communication to happen.
Therefore, input in a conversation is the perception of language.
Answer:B. Perception of language