Consider the Following Code,which Deletes All the Nodes in a Linked

Consider the following code,which deletes all the nodes in a linked list. void doublyLinkedList<Type>::destroy()
{
$\quad$ NodeType<Type> *temp; //pointer to delete the node
$\quad$ While (first != NULL)
$\quad$ {
$\quad$$\quad$ Temp = first;
$\quad$$\quad$ First = first->next;
$\quad$$\quad$ ____
$\quad$ }
$\quad$ Last = NULL;
$\quad$ Count = 0;
}
Which of the following is the missing statement?

A) delete first;
B) delete temp;
C) destroy temp;
D) clear temp;