What Does the Following Code Do

Multiple Choice

What does the following code do?
Int sum = 0;
Final double count = 1000;
Random generator = new Random() ;
For (int i = 1; i <= count; i++)
{
Sum = sum + generator.nextInt(101) ;
}
System.out.println(sum / count) ;

A) It simulates the outcome of throwing a coin.
B) It calculates the average of 1000 random numbers between 0 and 100.
C) It performs Monte Carlo simulation of fluid dynamics.
D) It calculates the average of 1000 random numbers between 1 and 101.