Concept:The normal human body temperature is a narrow range around 37∘C.Explanation:The human body maintains a fairly constant internal temperature under normal conditions.This healthy, normal range is usually between 35∘C and 37∘C.Temperatures above this range indicate a fever, while much lower values suggest hypothermia.Thus, among the given options, only this range matches the normal body temperature.Answer:D. Between 35∘C to 37∘C