单项选择题
某图的邻接表存储结构如下图所示,则从6号点出发,深度优先遍历的序列是()
A.6-5-2-1-4-3B.6-5-1-2-4-3C.6-5-1-4-3-2D.6-5-2-1-3-4
A.(1,2,3,4,5,6,7)B.(4,3,1,7,6,5,2)C.(4,2,1,9,6,7,5)D.(5,2,1,8,6,7,4)
A.{15,21,25,84,47}B.{25,47,84,15,21}C.{21,47,25,15,84}D.{25,15,21,47,84}