将{15, 6, 20, 8, 12, 3,17}依次插入初始为空的二叉搜索树。则该树的后序遍历结果是:()选项: A:3, 6, 8, 12, 17, 20, 15 B:3, 12, 6, 17, 8, 20, 15 C:3, 12, 8, 6, 17,20, 15 D:15, 12, 8, 20, 17, 6, 3 插入 结果是 依次 发布时间:2024-06-13 20:13:00