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': 'All are seen in association with reverse splitting of S2 except - \nSelect and explain. \nA. LBBB, B. Complete heart block, C. Systolic Hypertension, D. Aortic stenosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]