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: Pharmacology
[{'content': 'The most common adverse effect particularly seen in young children because of the use of sodium valproate is : \nSelect and explain. \nA. Hepatitis, B. Loss of hair, C. Anorexia, D. Tremor', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]