1000÷2=500
1000÷5=200
1000÷10=100
of the integers between 0 and 1000, when 1000 in not included, (it says less than 1000, so I believe 1000 in not included), there are 499 numbers divisible by 2, 199 numbers divisible by 5, and 99 numbers divisible by both 2 and 5
so 499+199-99=599
the answer is d.
