This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Which of the following drug should not be given along with levodopa: \nSelect and explain. \nA. Carbidopa, B. MAO inhibitors, C. Vitamin B complex, D. Benserazide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pyridoxine: Abolishes therapeutic effect by .enhancing peripheral decarboxylation of dopa; less is available to cross to the brain. REF:ESSENTIALS OF MEDICAL PHARMACOLOGY KD TRIPATHI 8TH ED. page 429', 'role': 'assistant'}]