Why Can You Not Use the Swap Template Function to Swap

Multiple Choice

Why can you not use the swap template function to swap two complete arrays?
Template <class T>
Void swapT& left, T& right)
{
T tmp=left;
Left=right;
Right=tmp;
}

A) You can not pass an array to a function
B) The swap function does not return anything
C) the = operator does not work for an array
D) tmp should be an integer