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
Endothelial cells have - 
Select and explain. 
A. Weibel-Palade bodies, B. Gamna-gandy bodies, C. Both, D. None
A: Weibel-Palade bodies
Answer: A: Weibel-Palade bodies 
Explanation: None