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 is the true statement regarding megaloblasitc anemia-a) Megaloblastic precursors are present in bone marrowb) Mean corpuscular volume is increasedc) Serum LDH is increasedd) Thrombocytosis occurse) Target cells are found 
Select and explain. 
A. ab, B. bc, C. abc, D. bcd
C: abc
Answer: C: abc 
Explanation: None