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: Microbiology
All are seen in the cyst of E. histolytica except - 
Select and explain. 
A. Glycogen mass, B. Chromatid bars, C. Eccentric nucleus, D. Refractile nucleus
D: Refractile nucleus
Answer: D: Refractile nucleus 
Explanation: None