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: Pharmacology
Mechanism of action of donepezil is : 
Select and explain. 
A. Centrally acting reversible anticholinesterase, B. Centrally acting irreversible anticholinesterase, C. Irreversible cholinergic action, D. Reversible anticholinesterase
A: Centrally acting reversible anticholinesterase
Answer: A: Centrally acting reversible anticholinesterase 
Explanation: None