This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chronic Lymphocytic Leukemia, Subject name: Pathology
Autoimmune hemolytic anaemia is seen in: 
Select and explain. 
A. All, B. AML, C. CML, D. CLL
D: CLL
Answer: D: CLL 
Explanation: About 15% of patients develop autoantibodies ( IgG )against their own red cells or platelets which leads to autoimmune hemolytic anemia.