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: Medicine
[{'content': 'EKG finding of ventricular premature beats -a) Fusion beatb) Narrow QRS complexc) AV Dissociationd) Wide QRS complexe) Capture beat \nSelect and explain. \nA. acde, B. bde, C. abcd, D. abde', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]