c. A destructor to free any allocated objects. d. A copy constructor that allocates its own new member storage and copies the contents of member variables. e. An assignment operator that deallocates old storage before allocating new storage and copying all the member variables. Solution c. A destructor to free any allocated objects. d. A copy constructor that allocates its own new member storage and copies the contents of member variables. e. An assignment operator that deallocates old storage before allocating new storage and copying all the member variables..