The options are not provided with the question. I have included all possible answers.
Chronic Lymphocytic Leukemia (CLL) is a
1. cancerous disease characterized by progressive neoplasm.
2. disease of blood and bone marrow.
3. form of leukemia.
4. affects elderly people.
5. affects white blood cells (WBCs) where the normal WBCs are mutated to form abnormal WBCs.