A、<img src="https://img.ppkao.com/2018-12/wangjue/2018120311563023306.jpg">
B、<img src="https://img.ppkao.com/2018-12/wangjue/2018120311563374543.jpg">
C、<img src="https://img.ppkao.com/2018-12/wangjue/2018120311563899483.jpg">
D、<img src="https://img.ppkao.com/2018-12/wangjue/201812031156436907.jpg">