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: ENT
Symptoms of sinusitis are all except - 
Select and explain. 
A. Blood stained rhinorrhoea, B. Facial edema, C. Nasal blockage, D. Diplopia
D: Diplopia
Answer: D: Diplopia 
Explanation: None