A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517464641461df3376ea56444313a40da593c3bd440cimage6.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517464641612c7b4bfceaec74f0d88075906b6d89be3image7.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517464641729bd90a6219056462090c00728f9453d3bimage8.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15174646418235ef780c4312d419c9fa1ae1c2e363cfaimage9.png">