在一个双链表中,在*p结点之后插入结点*q的操作是 _______。
A.
q->prior = p ; p-> next=q ; p -> next -> prior =q ; q ->next = p -> next ;
B.
q ->next = p -> next ; p -> next -> prior =q ; p-> next=q ; q->prior = p ;
C.
p-> next=q ; q->prior = p ; q ->next = p -> next ; p -> next -> prior =q ;
D.
p -> next -> prior =q ; q->prior = p ; p-> next=q ; q ->next = p -> next ;