Which of the Following Statements Explains How Autonomic Drugs Affect

Which of the following statements explains how autonomic drugs affect synaptic transmission?

A) Drugs are frequently given to correct autonomic dysfunction.
B) Drugs influence the release of neurotransmitters at the postganglionic site.
C) Drugs used to prevent the normal destruction of the neurotransmitter cause the neurotransmitter to remain in the synapse for a longer period of time.
D) Drugs that decrease the degree of neurotransmitter synthesis stimulate autonomic responses.