What is the functionality of the following piece of code? public int function() { Node temp = tail.getPrev(); tail.setPrev(temp.getPrev()); temp.getPrev().setNext(tail); size--; return temp.getItem(); }

• A. Return the element at the tail of the list but do not remove it
• B. Return the element at the tail of the list and remove it from the list
• C. Return the last but one element from the list but do not remove it
• D. Return the last but one element at the tail of the list and remove it from the list