One Reason Why Particular Odors,such as the Smell of Gardenias,often

One reason why particular odors,such as the smell of gardenias,often rekindle memories of important personal experiences might be that

A) the smell areas of the human brain are more highly developed than the other sensory areas.
B) odors are processed in the frontal lobes.
C) the thalamus gives priority processing to the sense of smell.
D) the olfactory bulb is directly connected to areas involved in emotion.