Which Statement Best Represents Current Thinking About the Role of Various

Which statement best represents current thinking about the role of various areas of the hypothalamus for the regulation of hunger

A)  The lateral and ventromedial portions of the hypothalamus are parts of the neural circuit, but that circuit originates in the cortex. 
B)  The lateral and ventromedial portions of the hypothalamus are parts of the neural circuit, but the paraventricular nucleus may play a larger role. 
C)  The lateral hypothalamus is the off-switch, and the ventromedial hypothalamus is the on-switch. 
D)  The lateral hypothalamus is the on-switch, and the ventromedial hypothalamus is the off-switch.