Place the events in order of sympathetic motor pathway.
1)postganglionic neuron depolarizes
2)acetylcholine binds to sweat gland's muscarinic receptor
3)postganglionic neuron releases acetylcholine
4)neuron exits lumbar segment of spinal cord
5)acetylcholine binds to nicotinic receptor
6)neuron releases acetylcholine
A)2,3,1,4,6,5
B)4,6,5,1,3,2
C)6,4,5,3,2,1
D)4,5,6,1,3,2
E)5,3,4,1,2,6