选择正确的A向视图（）。<br/> <img src="https://static.zxtiku.com/wangke/imgs/topic/0a29392bbc1847512a01aec41002d968.jpg"/><br/> A、<img src="https://static.zxtiku.com/wangke/imgs/topic/db0c774335522c314e27bf9c361d877a.jpg"/><br/> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/f569d398848ae029c8b85c82d1203282.jpg"/><br/> C、<img src="https://static.zxtiku.com/wangke/imgs/topic/2bdf83093804c4fce0190350e8892358.jpg"/><br/> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/5d4a9ffded4365abc9ad9ef10a0c8dfe.jpg"/>