（）

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14990603949788925fac10b4d4a1a85487deecf3d11f8.png" alt="上传图片">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1499060406470b467505dda374afdbceb50154c9d4fc9.png" alt="上传图片">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1499060410714a6f2c9fbe6684c49823f35c1c8fcfb9f.png" alt="上传图片">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1499060414951f7275a08ad1d422a9cb5cf5ece4d8bed.png" alt="上传图片">