Which Would Be the Correct Way to Instantiate a ContainerClass

Which would be the correct way to instantiate a containerClass object in your main program?
Template <class T>
Class containerClass
{
Public:
ContainerClass) ;
ContainerClassint newMaxSize) ;
ContainerClassconst containerClass& source) ;
~containerClass) ;
T getItem) ;
Int getCount) ;
Int getSize) ;
Void addItemT item) ;
Private:
T *container;
Int maxSize, count;
};

A) containerClass myContainer;
B) containerClass<T> myContainer;
C) containerClass<int> myContainer;
D) containerClass myContainer<int>