题目体重指数的正常范围是()A. B. 18.5-23.9C. 24-27.9D. ≥ 28体重指数的正常范围是()A. < 18.5B. 18.5-23.9C. 24-27.9D. ≥ 28题目解答答案B. 18.5-23.9