A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1523495225739aeede85a4ca64f77b005112d39c19c76image45.jpeg">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1523495225849e0e28083950b474e87be6d4450ec5b03image46.jpeg">
D、1