<img src="https://static.ppkao.com/wangke/imgs/topic/ad1976c8a6476bcdb3326f9edb74e9fe.jpg"/> <p> A. </p><img src="https://static.ppkao.com/wangke/imgs/topic/2d3f327152e4e4263c71988386f91e1c.jpg"/> <p> B. </p><img src="https://static.ppkao.com/wangke/imgs/topic/b5bc1039200978fcba2ce4f224779172.jpg"/> <p> C. </p><img src="https://static.ppkao.com/wangke/imgs/topic/57a8e1f3f56c78682e51b07177552694.jpg"/> <p> D. </p><img src="https://static.ppkao.com/wangke/imgs/topic/190854e2a55250e25a508c07219bf742.jpg"/>