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: Unknown
[{'content': 'All of the following are seen in the Horner’s syndrome, except : \nSelect and explain. \nA. Drooping of upper eyelid, B. Enophthalmos, C. Dilated pupil, D. Loss of sweating of same sides of face', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]