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': 'Drug of choice for anaphylactic shock is: \nSelect and explain. \nA. Adrenaline., B. Dopamine., C. Non-adrenaline., D. All of the above.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dopamine is the drug of choice for cardiogenic shock with oliguric renal failue.', 'role': 'assistant'}]