Which of the Following Does Not Describe the Limits of the Thermoneutral

Which of the following does not describe the limits of the thermoneutral zone in an endotherm?

A) The range of environmental temperatures between the upper critical and lower critical temperatures
B) The range of environmental temperatures over which an organism exhibits a basal metabolic rate
C) The range of body temperatures at which the metabolic rate is maximum
D) The range of environmental temperatures over which an organism's metabolic rate neither increases nor decreases for thermoregulation
E) All of the above describe the limits of the thermoneutral zone.