Answer:
the one the client will use
Explanation:
From the given scenario of the question ,
As the patient has a very long history of hearing loss , he might be using some specific method of communication with his near and dear ones , and as he need to stay in hospital for quite some time , the most effective method of communication would be the one he use .
Hence , from the given scenario ,
The people of hospital can use the very same method of communication , which the patient uses with his near and dear ones , and can comfortably stay at the hospital .
