在不带哨兵结点的双向链表中，结点 p 既不是头结点也不是尾结点。删除 p 的正确代码是（　　）。

struct Node {
    int value;
    Node *prev;
    Node *next;
};

{{ select(1) }}

• p->prev = p->next;
  p->next = p->prev;
  delete p;
  

• p->prev->next = p;
  p->next->prev = p;
  delete p;
  

• p->prev->next = p->next;
  p->next->prev = p->prev;
  delete p;
  

• p->next = p->prev;
  p->prev->next = nullptr;
  delete p;