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
Antigen presenting cells are all of the following EXCEPT:- 
Select and explain. 
A. Astrocytes, B. Endothelial cells, C. Epithelial cells, D. Langerhans cells
A: Astrocytes
Answer: A: Astrocytes 
Explanation: . Astrocytes