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
Neostigmine used in treatment of myasthenia gravis acts by: 
Select and explain. 
A. Increasing the number of receptors for acetylcholine, B. Increasing synthesis of acetylcholine, C. Decreasing breakdown of acetylcholine, D. Increasing actylcholine degradation
C: Decreasing breakdown of acetylcholine
Answer: C: Decreasing breakdown of acetylcholine 
Explanation: None