【单选题】
带切口的四棱柱三视图正确的是<img src="https://file.icve.com.cn/ssykt/452/1021/711FF64B7B491C9093FF1F87D8ECE1B0.png"/>
①
<img src="https://file.icve.com.cn/ssykt/881/787/DC7C4F1A45C7BD5F8335A7B012310DEA.png">
②
<img src="https://file.icve.com.cn/ssykt/317/651/4F5A2C03D55BA7012824BCA82B79D285.png">
③
<img src="https://file.icve.com.cn/ssykt/58/93/0E817496D3FD01A1AAE73C9C4FD21B83.png">
④
<img src="https://file.icve.com.cn/ssykt/934/434/E986C848A424B53F9A0B5277EE56132B.png">