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': 'The most common manifestation of moderate /severe Hemophilia A is: \nSelect and explain. \nA. Recurrent Hemahrosis, B. Recurrent muscle bleeding, C. Recurrent bleeding from gums, D. Recurrent Hematuria', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Recurrent Hemahrosis): Recurrent Hemahrosis is the most common manifestation of Hemophilia A. 'Recurrent Hemahrosis is the most common manifestation of Hemophilia-A occurring in up to two third of patients' --Primer on the Rheumatic Diseases 'In the severe form the most common bleeding manifestations are the recurrent hemahroses'", 'role': 'assistant'}]