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: Psychiatry
Anxiety is manifested by following, except: 
Select and explain. 
A. Impaired concentration, B. Pupillary constriction, C. Insomnia, D. Worry
B: Pupillary constriction
Answer: B: Pupillary constriction 
Explanation: Pupillary constriction