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
Cooley's anemia is other name of? 
Select and explain. 
A. Beta thalassemia major, B. Beta thalassemia minor, C. Aplastic anemia, D. Pernicious anemia
A: Beta thalassemia major
Answer: A: Beta thalassemia major 
Explanation: None