Q: What treatment can be used in treating pneumonia?
Options:
- (A) the respiratory system
- (B) a breathing mask
- (C) bronchodilatory treatment
- (D) aqueous solution
- (E) immunotherapy
- (F) radiation therapy
- (G) immune system
- (H) chemotherapy
Let's think step by step below.

Pneumonia may be caused by an infection or injury of the lungs. Lung injuries are treated with bronchodilatory treatment. Pneumonia can be treated with bronchodilatory treatment.
Thus, the answer is (C).