A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148799061306226a4f7960f73445ead8bc6cd425c06e1image28.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148799061310180b7f41c1ce94ad685a10378cfcff9ecimage29.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1487990613135db173a6a22674c1f8f578fd536ef993aimage30.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1487990613177247bf0aece9542bdb901ec6714655945image31.png">