Final answer:
The limbic system contains the neurotransmitters gamma-aminobutyric acid (GABA), dopamine, and serotonin, which are option B from the provided list.
Step-by-step explanation:
The limbic system is a complex structure within the brain that is involved in emotion, behavior, motivation, long-term memory, and olfaction. Regarding neurotransmitters within the limbic system, we should consider dopaminergic, serotonergic, and adrenergic systems among others. However, in the provided options, the correct answer involves distinguishing whether certain substances function predominantly as hormones or neurotransmitters. Epinephrine and norepinephrine, while they are neurotransmitters, are more widely recognized as hormones when released into the bloodstream by the adrenal medulla. In contrast, dopamine and serotonin are classic neurotransmitters found in the brain. Gamma-aminobutyric acid (GABA) is another key neurotransmitter within the central nervous system (CNS). Therefore, the neurotransmitters found in the limbic system as specified would be gamma-aminobutyric acid, dopamine, and serotonin, which corresponds to option B in the provided list.