Answer:
The statement "BMI is a ratio of height and weight" is true. Hence, the correct answer would be option A.
Step-by-step explanation:
Body Mass Index (BMI) is a person's weight in kilograms (or pounds) divided by the square of height in meters (or feet). BMI provides a fairly reliable indicator of body fatness for most people and is also used to screen for weight categories that may lead to certain health problems.