<img src="https://static.zxtiku.com/wangke/imgs/topic/59d5954ce33965e351fc8cb2e8b70f4c.jpg"/> A. <br/> <img src="https://static.zxtiku.com/wangke/imgs/topic/050c2828b6fa0d59225c7a36cd860f82.jpg"/>; B. <br/> <img src="https://static.zxtiku.com/wangke/imgs/topic/d17404eade3edede4544a38963d6a20e.jpg"/>; C. <br/> <img src="https://static.zxtiku.com/wangke/imgs/topic/05113608e7cd8c67ae893f1a0edcc334.jpg"/>; D. <br/> <img src="https://static.zxtiku.com/wangke/imgs/topic/663cc332a408cd8d93724d6d883a1607.jpg"/>.