This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Maxillary sinusitis due to viral etiology is: 
Select and explain. 
A. Treated as bacterial sinusitis only., B. Self limiting., C. More severe than bacterial sinusitis., D. All of the above.
B: Self limiting.
Answer: B: Self limiting. 
Explanation: None