I believe cochlear implants since deaf people often read lips and watch hands which is both sign language and visual communication
i think deaf people would prefer getting together in person as well since it is easier to read lips and/or see signs
whilst cochlear implants not everyone will have them and they wont be bothered by it so thats why i'm saying Cochlear implants
sorry if im wrong...
If i remember right the technique is something related to descriptive detailism (sorry if it isnt a word)
Answer: a
Explanation: because it has nothing to do with the hull house