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
Which of the following is a hemolytic anemia: 
Select and explain. 
A. Sickle cell anemia, B. Thalassemia, C. Hereditary spherocytosis, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None