public class Test
{
public static void main(String[ ] args)
{
int result =???;
System.out.println(result);
}
public static int operate(double a, int b)
{
return 10*(int)(a+b);
}
public static int operate(int a, double b)
{
return 100*(int)(a+b);
}
public static int operate(double a, double b)
{
return 1000*(int)(a+b);
}
}
???处填入（ ）时，编译程序会出错。
A、operate (3, 5)
B、operate (3.0, 5)
C、operate (3, 5.0)
D、operate (3.0, 5.0)