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: Medicine
Common features of haemolytic anemia are -a) ↓ RBC life spanb) ↑ Haptoglobulin c) Unconjugated hyperbilirubinemiad) Bile salt and bile pigments in urinee) Erythroid and Myeloid ratio altered 
Select and explain. 
A. acd, B. ace, C. cde, D. ade
B: ace
Answer: B: ace 
Explanation: None