Answer:
The answer is "Option A".
Step-by-step explanation:
A communication mechanism is also defined as a way of efficiently communicating, including delivery, encoding of messages, channel distribution, message receipt by the receiver and decoding messages.
In the interaction model, it is also known as human-computer interaction experiments, and this model does not measure the efficacy of the interaction mechanism, depending on the success or failure of the transmission and acceptance of a single message, that's why it is correct.