Answer:
D.Impaired gas exchange
Explanation:
All the mentioned methods are feasible for curing AIDs, but for carinii pneumonia impaired gas exchange is the method, as in that the patients prefer to choose this. In this the breathing process is basically targeted and then it is processed through, airways, breathing practices, Circulations provide the maximum result, and are in the top priority of service.
Therefore, correct answer is:
D.Impaired gas exchange