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
True about cavernous sinus thrombosis 
Select and explain. 
A. Pupils are dilated, B. Enophthalmos, C. Unilateral, D. Slow onset
A: Pupils are dilated
Answer: A: Pupils are dilated 
Explanation: None