A Doubly-Linked List Requires That Each Node Maintain Two References

Multiple Choice

A doubly-linked list requires that each node maintain two references, one to the next node and one to the previous node.Which of the following statements about a doubly-linked list is NOT correct?

A) If a node's next reference is null, it is at the end of the list.
B) To remove a node in the middle of the list, the previous node's next reference must be updated.
C) To add a node in the middle of the list, you must update the next reference of the node after which the new node will be added.
D) To remove a node in the middle of the list, the previous node's previous reference must be updated.