Answer:
The poetic found in the scenario described in these lines is the last one. D: Kenning.
Step-by-step explanation:
First, let's remember that Kenning is a stylistic device defined as a two-word phrase that is used to describe an object through metaphors. It is a compressed metaphor which meaning is expressed in a few words. In this case, the cordless communicator is an example of Kenning, and that is the poetic found in the scenario described in the lines above.