请选择下列形体正确的三视图 <img src="https://static.zxtiku.com/wangke/imgs/topic/23b6faa83aa9cf2787d838f770c9e8b1.jpg"/><br/> A、<img src="https://storage.tutusouti.com/pzst/question_bank/res/78/fc/78fcc53823409e646b6f5e96ddbe6af991cc4c2e.jpg?x-oss-proce