Let's think step by step! What can make lungs more at risk for infection by streptococcus?
Options:
- (A) Allergies
- (B) bacteria
- (C) Pollution
- (D) injury
- (E) fungi
- (F) sweating
- (G) the skin
- (H) smoking
The thinking starts now:
Pneumonia may be caused by an infection or injury of the lungs. Streptococcal pneumonia is caused by the bacteria Streptococcus pneumoniae. Streptococcus can infect the lungs following injury. The final answer: (D).