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: Medicine
[{'content': 'The most frequent finding of Bell’s palsy is: \nSelect and explain. \nA. Diminished corneal reflex, B. Mitotic pupil, C. Absence of taste sensation, D. Anhidrosis over half of the face', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]