The SI unit that is appropriate for measuring the height of a person is B) meters. You can also measure the height of a person in feet, however, that is only used in America, and it is not SI unit. Grams are used for weight, and no person is one kilometer tall, that is a very large distance.
The SI or Systeme Internationale system is the most common unit system that is used today. The SI unit for temperature is kelvin which expresses absolute temperature. The SI unit for mass is grams, that of distance or displacement is meters, and many others. The height is expressed in B. meters in the SI unit scale
