A Linked List Class Uses a Node Class with Successor

question 27

Multiple Choice

A linked list class uses a Node class with successor reference next,and uses a reference first to point to the first node of the list.A positive index k is given,and we want to set a reference pred to point to the node with index k-1.The right code to use is

• A) pred = first;
• For (int i = 0;i < k;i++)
• Pred = pred.next;
• B) pred = first;
• For (int i = 0;i < = k;i++.
• Pred ++;
• C) pred = first;
• For (int i = 1;i < k;i++.
• Pred = pred.next;
• D) pred = head;
• For (int k : list.
• K--;

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