Answer:
An audio recording would most likely convey the characters’ actions during this scene with a change in the volume of the characters' voices
Step-by-step explanation:
This excerpt of a play is written with a lot of changes in tone, it makes general comments and other that may look like inner voice, changes in volume is a technique than clearly help to emphasize what the characters are saying as we naturally use the stress and intonation in our way of speak, so option C is the best answer for this.