<img src="https://static.zxtiku.com/wangke/imgs/topic/8b6fd6045056e78df6aa56b700ce4543.jpg"/> A. <br /> <br /> <img src="https://static.zxtiku.com/wangke/imgs/topic/cf7c2bc78732b154577349240216250c.jpg"/> B. <br /> <br /> <img src="https://static.zxtiku.com/wangke/imgs/topic/864ab3001a60e75acbdb3cf1479ab73b.jpg"/> C. <br /> <br /> <img src="https://static.zxtiku.com/wangke/imgs/topic/df81965305335f0a074109f3c714785f.jpg"/> D. <br /> <br /> <img src="https://static.zxtiku.com/wangke/imgs/topic/6af0525f517e149300548be4c433f01b.jpg"/>