This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chronic Myelogenous Leukemia, Subject name: Pathology
Which of the following is a characteristic feature of chronic myeloid leukemia (CML)? 
Select and explain. 
A. Auer rods, B. Basophilia, C. Increased LAP score, D. Bone marrow fibrosis
B: Basophilia
Answer: B: Basophilia 
Explanation: Characteristic features of CML are massive splenomegaly, hyperleucocytosis, peripheral blood Basophilia & Philadelphia Chromosome/ t(9;22).