题型:单项选择题 When the adjacency matrix method is used to store a graph, which of the statements is (are) true ( ) Ⅰ.the space required depends on the number of vertices Ⅱ.the apace required depends on the number of edgesA.NoneB.Ⅰ onlyC.Ⅱ onlyD.Ⅰ and Ⅱ 查看答案