This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anxiety disorders stress disorders and grief, Subject name: Psychiatry
[{'content': 'What is Agoraphobia? \nSelect and explain. \nA. Fear of heights, B. Fear of closed spaces, C. Fear of open spaces, D. Fear of dogs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Agoraphobia is characterised by an irrational fear of being in places away from the familiar setting of the home. Although it was earlier thought to be a fear of open spaces only, now it includes fear of open spaces, public places, crowded places and any other place from where there is no easy escape to a safe place. (Ref: A sho textbook of psychiatry, Niraj Ahuja,7th edition, pg no 92)', 'role': 'assistant'}]