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': 'False statement regarding Lithium is : \nSelect and explain. \nA. Maximum plasma concentration is avoided due to low therapeutic index, B. Contraindicated in pregnancy, C. No individual variation in the rate of excretion, D. 80% reabsorbed in the proximal convoluted tubule', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]