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': 'True about Folic acid \nSelect and explain. \nA. Is also called as pteroyl glutamic acid, B. Is useful in carriage of one carbon atom moiety, C. Tetrahydrofolate is the active form, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]