Answer:
D) 500 meter
Explanation:
As we know that SI unit to measure the distance is meter
so here the SI unit of the measurement of the distance must be in meter units
so it is given as
D) 500 meter
while other options are
A) 30 miles : this is also measurement of distance but it is not in SI unit
B) 16 kilogram : this is measurement of mass
c) 24 feet : this is also measurement of distance but not in SI units