Which Statement Describes an Association Between Body Weight and Mortality

Which statement describes an association between body weight and mortality? ​

A) Obesity is the fourth leading cause of premature death.
B) Overweight men who are physically fit have a lower mortality risk than normal-weight, unfit men.
C) Normal-weight men who are physically unfit have a similar mortality risk versus normal-weight fit men.
D) The amount of weight gain in adulthood that is not associated with increased mortality is 20 pounds or less.