The beneficial effect of drug neostigmine in the treatment of Myasthenia gravis is due to the action____________?

The beneficial effect of drug neostigmine in the treatment of Myasthenia gravis is due to the action____________?

A. It is produces more acetylcholine
B. It inhibits the action of cholinesterase
C. It produces more acetycholine receptors
D. It increases the action of cholinesterase