In the Following Function Template, What Must Be True in Order

Multiple Choice

In the following function template, what must be true in order to use the function with a given data type?
Template <class T>
Int smallest T array[], int size)
{
Int small=0, i;
Fori=0;i<size;i++)
{
Ifarray[i] < array[small])
Small=i;
}
Return small;
}

A) the data type must be a pre-defined data type
B) the data type must have a < operator defined for it
C) the data type must be numeric
D) the data type must be character based