下列推理步骤错在?<img src="https://static.zxtiku.com/wangke/imgs/topic/a343cb00376e941b40d97d8a5b2658e0.jpg"/> A. <br /> <br /> (1)→(2) B. <br /> <br /> (2)→(3) C. <br /> <br /> (3)→(4) D. <br /> <br /> (4)→(5)