In the following C program everytime program is run different

In the following C program everytime program is run different numbers are generated.

#include <stdio.h>
    int main()
    {
        srand(time(NULL));
        printf("%d\n", rand());
        return 0;
    }

1. Depends on the platform
2. Depends on the compiler
3. True
4. False
5. None of these

True