Answer:
The correct answer is option C.
Step-by-step explanation:
An infection pleuritis that results in cough abruptly started pain and pain in the unilateral area and increase in coughing or deep breathing.
Cough is a sign of infection especially when he is a none smoker. The shallow breathing is to maintain adequate air intake and can be due to anxiety.
Myocardial is not worsened by breathing or coughing, and pneumothorax is can be ruled out in a 44 year old man.
Thus, the correct answer is option C.