Neurons Releasing Acetylcholine Are Found in the

Neurons releasing acetylcholine are found in the 

A) preganglionic and postganglionic synapses of both the sympathetic and parasympathetic nervous systems. 
B) preganglionic synapses of the sympathetic nervous system and both the preganglionic and postganglionic synapses of the parasympathetic nervous system. 
C) preganglionic synapses of the parasympathetic nervous system and both the preganglionic and postganglionic synapses of the sympathetic nervous system. 
D) postganglionic synapses of the sympathetic nervous system and the preganglionic synapses of the parasympathetic nervous system.