Which of the Following Cases Can Be Readily Accounted for by the Leaky-Barrel

Multiple Choice

Which of the following cases can be readily accounted for by the leaky-barrel model,but not by traditional set-point models?

A) A women married a cook, and her weight rapidly increased by 5 kilograms; the added weight stayed, despite her efforts to lose it.
B) A business executive became a marathon runner, and her food consumption went up while her weight went down and stayed down.
C) A dieter changed his lifestyle, he lost 30 kilograms, he never put the weight back on, and he never felt any compulsion to overeat.
D) all of the above
E) none of the above