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: Pathology
The parents of an 8-yr old boy complained of frequent severe bleeding on minor trauma

The patient could be suffering from 
Select and explain. 
A. Hemophilia A, B. Anaemia, C. Attention Dificit Hyperactive Disorder, D. Disseminated intravascular coagulation
A: Hemophilia A
Answer: A: Hemophilia A 
Explanation: None